Home / 1,087.35-1,631.40-567.33

Finding the Fourth Proportional to 1,087.35, 1,631.40 and 567.33

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Solution

The fourth proportional to 1,087.35, 1,631.40 and 567.33 is: 851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.35 : 1,631.40 = 567.33 : x
  2. Step 2: Convert to fraction form
    1,087.35/1,631.40 = 567.33/x
  3. Step 3: Cross multiply
    1,087.35x = 1,631.40 × 567.33
  4. Step 4: Simplify right side
    1,087.35x = 925,542.16
  5. Step 5: Solve for x
    x = 925,542.16/1,087.35
  6. Step 6: Final answer
    x = 851.19

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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.