Home / 2,547.97-3,516.15-1,428.93

Finding the Fourth Proportional to 2,547.97, 3,516.15 and 1,428.93

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Solution

The fourth proportional to 2,547.97, 3,516.15 and 1,428.93 is: 1,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.97 : 3,516.15 = 1,428.93 : x
  2. Step 2: Convert to fraction form
    2,547.97/3,516.15 = 1,428.93/x
  3. Step 3: Cross multiply
    2,547.97x = 3,516.15 × 1,428.93
  4. Step 4: Simplify right side
    2,547.97x = 5,024,332.22
  5. Step 5: Solve for x
    x = 5,024,332.22/2,547.97
  6. Step 6: Final answer
    x = 1,971.90

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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.