Home / 1,150.81-1,725.40-935.35

Finding the Fourth Proportional to 1,150.81, 1,725.40 and 935.35

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Solution

The fourth proportional to 1,150.81, 1,725.40 and 935.35 is: 1,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.81 : 1,725.40 = 935.35 : x
  2. Step 2: Convert to fraction form
    1,150.81/1,725.40 = 935.35/x
  3. Step 3: Cross multiply
    1,150.81x = 1,725.40 × 935.35
  4. Step 4: Simplify right side
    1,150.81x = 1,613,849.75
  5. Step 5: Solve for x
    x = 1,613,849.75/1,150.81
  6. Step 6: Final answer
    x = 1,402.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.