Home / 1,327.16-1,831.47-737.75

Finding the Fourth Proportional to 1,327.16, 1,831.47 and 737.75

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Solution

The fourth proportional to 1,327.16, 1,831.47 and 737.75 is: 1,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.16 : 1,831.47 = 737.75 : x
  2. Step 2: Convert to fraction form
    1,327.16/1,831.47 = 737.75/x
  3. Step 3: Cross multiply
    1,327.16x = 1,831.47 × 737.75
  4. Step 4: Simplify right side
    1,327.16x = 1,351,166.99
  5. Step 5: Solve for x
    x = 1,351,166.99/1,327.16
  6. Step 6: Final answer
    x = 1,018.09

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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.