Home / 1,547.38-2,134.07-1,049.15

Finding the Fourth Proportional to 1,547.38, 2,134.07 and 1,049.15

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Solution

The fourth proportional to 1,547.38, 2,134.07 and 1,049.15 is: 1,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.38 : 2,134.07 = 1,049.15 : x
  2. Step 2: Convert to fraction form
    1,547.38/2,134.07 = 1,049.15/x
  3. Step 3: Cross multiply
    1,547.38x = 2,134.07 × 1,049.15
  4. Step 4: Simplify right side
    1,547.38x = 2,238,966.51
  5. Step 5: Solve for x
    x = 2,238,966.51/1,547.38
  6. Step 6: Final answer
    x = 1,446.94

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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.