Home / 1,327.16-1,831.26-737.60

Finding the Fourth Proportional to 1,327.16, 1,831.26 and 737.60

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Solution

The fourth proportional to 1,327.16, 1,831.26 and 737.60 is: 1,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.16 : 1,831.26 = 737.60 : x
  2. Step 2: Convert to fraction form
    1,327.16/1,831.26 = 737.60/x
  3. Step 3: Cross multiply
    1,327.16x = 1,831.26 × 737.60
  4. Step 4: Simplify right side
    1,327.16x = 1,350,737.38
  5. Step 5: Solve for x
    x = 1,350,737.38/1,327.16
  6. Step 6: Final answer
    x = 1,017.77

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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.