Home / 2,542.55-3,507.66-1,547.69

Finding the Fourth Proportional to 2,542.55, 3,507.66 and 1,547.69

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Solution

The fourth proportional to 2,542.55, 3,507.66 and 1,547.69 is: 2,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.55 : 3,507.66 = 1,547.69 : x
  2. Step 2: Convert to fraction form
    2,542.55/3,507.66 = 1,547.69/x
  3. Step 3: Cross multiply
    2,542.55x = 3,507.66 × 1,547.69
  4. Step 4: Simplify right side
    2,542.55x = 5,428,752.77
  5. Step 5: Solve for x
    x = 5,428,752.77/2,542.55
  6. Step 6: Final answer
    x = 2,135.16

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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.