Home / 1,247.41-1,877.62-1,059.49

Finding the Fourth Proportional to 1,247.41, 1,877.62 and 1,059.49

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Solution

The fourth proportional to 1,247.41, 1,877.62 and 1,059.49 is: 1,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.41 : 1,877.62 = 1,059.49 : x
  2. Step 2: Convert to fraction form
    1,247.41/1,877.62 = 1,059.49/x
  3. Step 3: Cross multiply
    1,247.41x = 1,877.62 × 1,059.49
  4. Step 4: Simplify right side
    1,247.41x = 1,989,319.61
  5. Step 5: Solve for x
    x = 1,989,319.61/1,247.41
  6. Step 6: Final answer
    x = 1,594.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.