Home / 1,301.06-1,943.28-1,177.47

Finding the Fourth Proportional to 1,301.06, 1,943.28 and 1,177.47

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Solution

The fourth proportional to 1,301.06, 1,943.28 and 1,177.47 is: 1,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.06 : 1,943.28 = 1,177.47 : x
  2. Step 2: Convert to fraction form
    1,301.06/1,943.28 = 1,177.47/x
  3. Step 3: Cross multiply
    1,301.06x = 1,943.28 × 1,177.47
  4. Step 4: Simplify right side
    1,301.06x = 2,288,157.21
  5. Step 5: Solve for x
    x = 2,288,157.21/1,301.06
  6. Step 6: Final answer
    x = 1,758.68

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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.