Home / 3,440.02-4,747.19-1,947.91

Finding the Fourth Proportional to 3,440.02, 4,747.19 and 1,947.91

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Solution

The fourth proportional to 3,440.02, 4,747.19 and 1,947.91 is: 2,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.02 : 4,747.19 = 1,947.91 : x
  2. Step 2: Convert to fraction form
    3,440.02/4,747.19 = 1,947.91/x
  3. Step 3: Cross multiply
    3,440.02x = 4,747.19 × 1,947.91
  4. Step 4: Simplify right side
    3,440.02x = 9,247,098.87
  5. Step 5: Solve for x
    x = 9,247,098.87/3,440.02
  6. Step 6: Final answer
    x = 2,688.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.