Home / 1,437.44-1,983.68-1,327.20

Finding the Fourth Proportional to 1,437.44, 1,983.68 and 1,327.20

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Solution

The fourth proportional to 1,437.44, 1,983.68 and 1,327.20 is: 1,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.44 : 1,983.68 = 1,327.20 : x
  2. Step 2: Convert to fraction form
    1,437.44/1,983.68 = 1,327.20/x
  3. Step 3: Cross multiply
    1,437.44x = 1,983.68 × 1,327.20
  4. Step 4: Simplify right side
    1,437.44x = 2,632,740.10
  5. Step 5: Solve for x
    x = 2,632,740.10/1,437.44
  6. Step 6: Final answer
    x = 1,831.55

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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.