Home / 2,948.25-4,422.28-1,000.47

Finding the Fourth Proportional to 2,948.25, 4,422.28 and 1,000.47

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Solution

The fourth proportional to 2,948.25, 4,422.28 and 1,000.47 is: 1,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.25 : 4,422.28 = 1,000.47 : x
  2. Step 2: Convert to fraction form
    2,948.25/4,422.28 = 1,000.47/x
  3. Step 3: Cross multiply
    2,948.25x = 4,422.28 × 1,000.47
  4. Step 4: Simplify right side
    2,948.25x = 4,424,358.47
  5. Step 5: Solve for x
    x = 4,424,358.47/2,948.25
  6. Step 6: Final answer
    x = 1,500.67

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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.