Home / 3,057.61-4,221.29-2,217.50

Finding the Fourth Proportional to 3,057.61, 4,221.29 and 2,217.50

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Solution

The fourth proportional to 3,057.61, 4,221.29 and 2,217.50 is: 3,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.61 : 4,221.29 = 2,217.50 : x
  2. Step 2: Convert to fraction form
    3,057.61/4,221.29 = 2,217.50/x
  3. Step 3: Cross multiply
    3,057.61x = 4,221.29 × 2,217.50
  4. Step 4: Simplify right side
    3,057.61x = 9,360,710.58
  5. Step 5: Solve for x
    x = 9,360,710.58/3,057.61
  6. Step 6: Final answer
    x = 3,061.45

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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.