Home / 1,171.56-1,595.09-1,167.92

Finding the Fourth Proportional to 1,171.56, 1,595.09 and 1,167.92

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Solution

The fourth proportional to 1,171.56, 1,595.09 and 1,167.92 is: 1,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.56 : 1,595.09 = 1,167.92 : x
  2. Step 2: Convert to fraction form
    1,171.56/1,595.09 = 1,167.92/x
  3. Step 3: Cross multiply
    1,171.56x = 1,595.09 × 1,167.92
  4. Step 4: Simplify right side
    1,171.56x = 1,862,938.44
  5. Step 5: Solve for x
    x = 1,862,938.44/1,171.56
  6. Step 6: Final answer
    x = 1,590.13

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1.5x scale

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.