Home / 1,264.38-1,882.47-1,246.17

Finding the Fourth Proportional to 1,264.38, 1,882.47 and 1,246.17

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Solution

The fourth proportional to 1,264.38, 1,882.47 and 1,246.17 is: 1,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.38 : 1,882.47 = 1,246.17 : x
  2. Step 2: Convert to fraction form
    1,264.38/1,882.47 = 1,246.17/x
  3. Step 3: Cross multiply
    1,264.38x = 1,882.47 × 1,246.17
  4. Step 4: Simplify right side
    1,264.38x = 2,345,877.64
  5. Step 5: Solve for x
    x = 2,345,877.64/1,264.38
  6. Step 6: Final answer
    x = 1,855.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.