Home / 1,455.50-2,184.62-1,132.91

Finding the Fourth Proportional to 1,455.50, 2,184.62 and 1,132.91

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Solution

The fourth proportional to 1,455.50, 2,184.62 and 1,132.91 is: 1,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.50 : 2,184.62 = 1,132.91 : x
  2. Step 2: Convert to fraction form
    1,455.50/2,184.62 = 1,132.91/x
  3. Step 3: Cross multiply
    1,455.50x = 2,184.62 × 1,132.91
  4. Step 4: Simplify right side
    1,455.50x = 2,474,972.18
  5. Step 5: Solve for x
    x = 2,474,972.18/1,455.50
  6. Step 6: Final answer
    x = 1,700.43

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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.