Home / 2,949.90-4,422.08-1,000.74

Finding the Fourth Proportional to 2,949.90, 4,422.08 and 1,000.74

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Solution

The fourth proportional to 2,949.90, 4,422.08 and 1,000.74 is: 1,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.90 : 4,422.08 = 1,000.74 : x
  2. Step 2: Convert to fraction form
    2,949.90/4,422.08 = 1,000.74/x
  3. Step 3: Cross multiply
    2,949.90x = 4,422.08 × 1,000.74
  4. Step 4: Simplify right side
    2,949.90x = 4,425,352.34
  5. Step 5: Solve for x
    x = 4,425,352.34/2,949.90
  6. Step 6: Final answer
    x = 1,500.17

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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.