Home / 2,947.59-4,426.45-2,702.87

Finding the Fourth Proportional to 2,947.59, 4,426.45 and 2,702.87

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Solution

The fourth proportional to 2,947.59, 4,426.45 and 2,702.87 is: 4,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.59 : 4,426.45 = 2,702.87 : x
  2. Step 2: Convert to fraction form
    2,947.59/4,426.45 = 2,702.87/x
  3. Step 3: Cross multiply
    2,947.59x = 4,426.45 × 2,702.87
  4. Step 4: Simplify right side
    2,947.59x = 11,964,106.62
  5. Step 5: Solve for x
    x = 11,964,106.62/2,947.59
  6. Step 6: Final answer
    x = 4,058.95

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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.