Home / 1,087.06-1,631.47-567.22

Finding the Fourth Proportional to 1,087.06, 1,631.47 and 567.22

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Solution

The fourth proportional to 1,087.06, 1,631.47 and 567.22 is: 851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.06 : 1,631.47 = 567.22 : x
  2. Step 2: Convert to fraction form
    1,087.06/1,631.47 = 567.22/x
  3. Step 3: Cross multiply
    1,087.06x = 1,631.47 × 567.22
  4. Step 4: Simplify right side
    1,087.06x = 925,402.41
  5. Step 5: Solve for x
    x = 925,402.41/1,087.06
  6. Step 6: Final answer
    x = 851.29

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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.