Home / 2,504.23-3,455.90-1,385.19

Finding the Fourth Proportional to 2,504.23, 3,455.90 and 1,385.19

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Solution

The fourth proportional to 2,504.23, 3,455.90 and 1,385.19 is: 1,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.23 : 3,455.90 = 1,385.19 : x
  2. Step 2: Convert to fraction form
    2,504.23/3,455.90 = 1,385.19/x
  3. Step 3: Cross multiply
    2,504.23x = 3,455.90 × 1,385.19
  4. Step 4: Simplify right side
    2,504.23x = 4,787,064.72
  5. Step 5: Solve for x
    x = 4,787,064.72/2,504.23
  6. Step 6: Final answer
    x = 1,911.59

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,505.23, 3,457.28 and 1,386.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.