Home / 2,947.95-4,397.09-2,743.83

Finding the Fourth Proportional to 2,947.95, 4,397.09 and 2,743.83

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Solution

The fourth proportional to 2,947.95, 4,397.09 and 2,743.83 is: 4,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.95 : 4,397.09 = 2,743.83 : x
  2. Step 2: Convert to fraction form
    2,947.95/4,397.09 = 2,743.83/x
  3. Step 3: Cross multiply
    2,947.95x = 4,397.09 × 2,743.83
  4. Step 4: Simplify right side
    2,947.95x = 12,064,853.74
  5. Step 5: Solve for x
    x = 12,064,853.74/2,947.95
  6. Step 6: Final answer
    x = 4,092.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.