Home / 2,909.57-4,014.90-1,730.43

Finding the Fourth Proportional to 2,909.57, 4,014.90 and 1,730.43

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Solution

The fourth proportional to 2,909.57, 4,014.90 and 1,730.43 is: 2,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.57 : 4,014.90 = 1,730.43 : x
  2. Step 2: Convert to fraction form
    2,909.57/4,014.90 = 1,730.43/x
  3. Step 3: Cross multiply
    2,909.57x = 4,014.90 × 1,730.43
  4. Step 4: Simplify right side
    2,909.57x = 6,947,503.41
  5. Step 5: Solve for x
    x = 6,947,503.41/2,909.57
  6. Step 6: Final answer
    x = 2,387.82

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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.