Home / 1,175.38-1,601.80-1,171.06

Finding the Fourth Proportional to 1,175.38, 1,601.80 and 1,171.06

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Solution

The fourth proportional to 1,175.38, 1,601.80 and 1,171.06 is: 1,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.38 : 1,601.80 = 1,171.06 : x
  2. Step 2: Convert to fraction form
    1,175.38/1,601.80 = 1,171.06/x
  3. Step 3: Cross multiply
    1,175.38x = 1,601.80 × 1,171.06
  4. Step 4: Simplify right side
    1,175.38x = 1,875,803.91
  5. Step 5: Solve for x
    x = 1,875,803.91/1,175.38
  6. Step 6: Final answer
    x = 1,595.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.