Home / 1,132.38-1,564.11-933.93

Finding the Fourth Proportional to 1,132.38, 1,564.11 and 933.93

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Solution

The fourth proportional to 1,132.38, 1,564.11 and 933.93 is: 1,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.38 : 1,564.11 = 933.93 : x
  2. Step 2: Convert to fraction form
    1,132.38/1,564.11 = 933.93/x
  3. Step 3: Cross multiply
    1,132.38x = 1,564.11 × 933.93
  4. Step 4: Simplify right side
    1,132.38x = 1,460,769.25
  5. Step 5: Solve for x
    x = 1,460,769.25/1,132.38
  6. Step 6: Final answer
    x = 1,290.00

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1.5x scale

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.