Home / 1,327.14-1,831.54-737.74

Finding the Fourth Proportional to 1,327.14, 1,831.54 and 737.74

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Solution

The fourth proportional to 1,327.14, 1,831.54 and 737.74 is: 1,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.14 : 1,831.54 = 737.74 : x
  2. Step 2: Convert to fraction form
    1,327.14/1,831.54 = 737.74/x
  3. Step 3: Cross multiply
    1,327.14x = 1,831.54 × 737.74
  4. Step 4: Simplify right side
    1,327.14x = 1,351,200.32
  5. Step 5: Solve for x
    x = 1,351,200.32/1,327.14
  6. Step 6: Final answer
    x = 1,018.13

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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.