Home / 3,631.95-5,448.35-1,440.87

Finding the Fourth Proportional to 3,631.95, 5,448.35 and 1,440.87

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Solution

The fourth proportional to 3,631.95, 5,448.35 and 1,440.87 is: 2,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.95 : 5,448.35 = 1,440.87 : x
  2. Step 2: Convert to fraction form
    3,631.95/5,448.35 = 1,440.87/x
  3. Step 3: Cross multiply
    3,631.95x = 5,448.35 × 1,440.87
  4. Step 4: Simplify right side
    3,631.95x = 7,850,356.86
  5. Step 5: Solve for x
    x = 7,850,356.86/3,631.95
  6. Step 6: Final answer
    x = 2,161.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.