Home / 2,948.94-4,422.40-1,000.69

Finding the Fourth Proportional to 2,948.94, 4,422.40 and 1,000.69

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Solution

The fourth proportional to 2,948.94, 4,422.40 and 1,000.69 is: 1,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.94 : 4,422.40 = 1,000.69 : x
  2. Step 2: Convert to fraction form
    2,948.94/4,422.40 = 1,000.69/x
  3. Step 3: Cross multiply
    2,948.94x = 4,422.40 × 1,000.69
  4. Step 4: Simplify right side
    2,948.94x = 4,425,437.90
  5. Step 5: Solve for x
    x = 4,425,437.90/2,948.94
  6. Step 6: Final answer
    x = 1,500.69

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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.