Home / 1,247.31-1,871.37-597.96

Finding the Fourth Proportional to 1,247.31, 1,871.37 and 597.96

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Solution

The fourth proportional to 1,247.31, 1,871.37 and 597.96 is: 897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.31 : 1,871.37 = 597.96 : x
  2. Step 2: Convert to fraction form
    1,247.31/1,871.37 = 597.96/x
  3. Step 3: Cross multiply
    1,247.31x = 1,871.37 × 597.96
  4. Step 4: Simplify right side
    1,247.31x = 1,119,004.41
  5. Step 5: Solve for x
    x = 1,119,004.41/1,247.31
  6. Step 6: Final answer
    x = 897.13

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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.