Home / 3,401.29-4,693.53-1,909.18

Finding the Fourth Proportional to 3,401.29, 4,693.53 and 1,909.18

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Solution

The fourth proportional to 3,401.29, 4,693.53 and 1,909.18 is: 2,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.29 : 4,693.53 = 1,909.18 : x
  2. Step 2: Convert to fraction form
    3,401.29/4,693.53 = 1,909.18/x
  3. Step 3: Cross multiply
    3,401.29x = 4,693.53 × 1,909.18
  4. Step 4: Simplify right side
    3,401.29x = 8,960,793.61
  5. Step 5: Solve for x
    x = 8,960,793.61/3,401.29
  6. Step 6: Final answer
    x = 2,634.53

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1.5x scale

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.