Home / 1,631.35-2,251.62-1,159.93

Finding the Fourth Proportional to 1,631.35, 2,251.62 and 1,159.93

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Solution

The fourth proportional to 1,631.35, 2,251.62 and 1,159.93 is: 1,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.35 : 2,251.62 = 1,159.93 : x
  2. Step 2: Convert to fraction form
    1,631.35/2,251.62 = 1,159.93/x
  3. Step 3: Cross multiply
    1,631.35x = 2,251.62 × 1,159.93
  4. Step 4: Simplify right side
    1,631.35x = 2,611,721.59
  5. Step 5: Solve for x
    x = 2,611,721.59/1,631.35
  6. Step 6: Final answer
    x = 1,600.96

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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.