Home / 1,631.80-2,250.14-1,159.57

Finding the Fourth Proportional to 1,631.80, 2,250.14 and 1,159.57

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Solution

The fourth proportional to 1,631.80, 2,250.14 and 1,159.57 is: 1,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.80 : 2,250.14 = 1,159.57 : x
  2. Step 2: Convert to fraction form
    1,631.80/2,250.14 = 1,159.57/x
  3. Step 3: Cross multiply
    1,631.80x = 2,250.14 × 1,159.57
  4. Step 4: Simplify right side
    1,631.80x = 2,609,194.84
  5. Step 5: Solve for x
    x = 2,609,194.84/1,631.80
  6. Step 6: Final answer
    x = 1,598.97

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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.