Home / 3,541.51-5,312.25-1,687.00

Finding the Fourth Proportional to 3,541.51, 5,312.25 and 1,687.00

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Solution

The fourth proportional to 3,541.51, 5,312.25 and 1,687.00 is: 2,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.51 : 5,312.25 = 1,687.00 : x
  2. Step 2: Convert to fraction form
    3,541.51/5,312.25 = 1,687.00/x
  3. Step 3: Cross multiply
    3,541.51x = 5,312.25 × 1,687.00
  4. Step 4: Simplify right side
    3,541.51x = 8,961,739.19
  5. Step 5: Solve for x
    x = 8,961,739.19/3,541.51
  6. Step 6: Final answer
    x = 2,530.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,542.51, 5,313.75 and 1,688
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.