Home / 2,909.79-4,365.50-2,217.24

Finding the Fourth Proportional to 2,909.79, 4,365.50 and 2,217.24

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Solution

The fourth proportional to 2,909.79, 4,365.50 and 2,217.24 is: 3,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.79 : 4,365.50 = 2,217.24 : x
  2. Step 2: Convert to fraction form
    2,909.79/4,365.50 = 2,217.24/x
  3. Step 3: Cross multiply
    2,909.79x = 4,365.50 × 2,217.24
  4. Step 4: Simplify right side
    2,909.79x = 9,679,350.13
  5. Step 5: Solve for x
    x = 9,679,350.13/2,909.79
  6. Step 6: Final answer
    x = 3,326.48

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1.5x scale

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.