Home / 4,080.50-5,631.14-2,217.50

Finding the Fourth Proportional to 4,080.50, 5,631.14 and 2,217.50

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Solution

The fourth proportional to 4,080.50, 5,631.14 and 2,217.50 is: 3,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.50 : 5,631.14 = 2,217.50 : x
  2. Step 2: Convert to fraction form
    4,080.50/5,631.14 = 2,217.50/x
  3. Step 3: Cross multiply
    4,080.50x = 5,631.14 × 2,217.50
  4. Step 4: Simplify right side
    4,080.50x = 12,487,041.86
  5. Step 5: Solve for x
    x = 12,487,041.86/4,080.50
  6. Step 6: Final answer
    x = 3,060.17

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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.