Home / 2,725.92-3,761.60-1,547.36

Finding the Fourth Proportional to 2,725.92, 3,761.60 and 1,547.36

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Solution

The fourth proportional to 2,725.92, 3,761.60 and 1,547.36 is: 2,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.92 : 3,761.60 = 1,547.36 : x
  2. Step 2: Convert to fraction form
    2,725.92/3,761.60 = 1,547.36/x
  3. Step 3: Cross multiply
    2,725.92x = 3,761.60 × 1,547.36
  4. Step 4: Simplify right side
    2,725.92x = 5,820,549.38
  5. Step 5: Solve for x
    x = 5,820,549.38/2,725.92
  6. Step 6: Final answer
    x = 2,135.26

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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.