Home / 2,431.19-3,354.67-1,383.23

Finding the Fourth Proportional to 2,431.19, 3,354.67 and 1,383.23

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Solution

The fourth proportional to 2,431.19, 3,354.67 and 1,383.23 is: 1,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.19 : 3,354.67 = 1,383.23 : x
  2. Step 2: Convert to fraction form
    2,431.19/3,354.67 = 1,383.23/x
  3. Step 3: Cross multiply
    2,431.19x = 3,354.67 × 1,383.23
  4. Step 4: Simplify right side
    2,431.19x = 4,640,280.18
  5. Step 5: Solve for x
    x = 4,640,280.18/2,431.19
  6. Step 6: Final answer
    x = 1,908.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,432.19, 3,356.05 and 1,384.23
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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.