Home / 2,545.91-3,513.35-1,551.19

Finding the Fourth Proportional to 2,545.91, 3,513.35 and 1,551.19

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Solution

The fourth proportional to 2,545.91, 3,513.35 and 1,551.19 is: 2,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.91 : 3,513.35 = 1,551.19 : x
  2. Step 2: Convert to fraction form
    2,545.91/3,513.35 = 1,551.19/x
  3. Step 3: Cross multiply
    2,545.91x = 3,513.35 × 1,551.19
  4. Step 4: Simplify right side
    2,545.91x = 5,449,875.07
  5. Step 5: Solve for x
    x = 5,449,875.07/2,545.91
  6. Step 6: Final answer
    x = 2,140.64

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Double scale
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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.