Home / 1,327.06-1,831.31-737.57

Finding the Fourth Proportional to 1,327.06, 1,831.31 and 737.57

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Solution

The fourth proportional to 1,327.06, 1,831.31 and 737.57 is: 1,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.06 : 1,831.31 = 737.57 : x
  2. Step 2: Convert to fraction form
    1,327.06/1,831.31 = 737.57/x
  3. Step 3: Cross multiply
    1,327.06x = 1,831.31 × 737.57
  4. Step 4: Simplify right side
    1,327.06x = 1,350,719.32
  5. Step 5: Solve for x
    x = 1,350,719.32/1,327.06
  6. Step 6: Final answer
    x = 1,017.83

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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.