Home / 1,031.89-1,548.38-563.70

Finding the Fourth Proportional to 1,031.89, 1,548.38 and 563.70

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Solution

The fourth proportional to 1,031.89, 1,548.38 and 563.70 is: 845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.89 : 1,548.38 = 563.70 : x
  2. Step 2: Convert to fraction form
    1,031.89/1,548.38 = 563.70/x
  3. Step 3: Cross multiply
    1,031.89x = 1,548.38 × 563.70
  4. Step 4: Simplify right side
    1,031.89x = 872,821.81
  5. Step 5: Solve for x
    x = 872,821.81/1,031.89
  6. Step 6: Final answer
    x = 845.85

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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.