Home / 2,948.40-4,420.44-1,972.44

Finding the Fourth Proportional to 2,948.40, 4,420.44 and 1,972.44

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Solution

The fourth proportional to 2,948.40, 4,420.44 and 1,972.44 is: 2,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.40 : 4,420.44 = 1,972.44 : x
  2. Step 2: Convert to fraction form
    2,948.40/4,420.44 = 1,972.44/x
  3. Step 3: Cross multiply
    2,948.40x = 4,420.44 × 1,972.44
  4. Step 4: Simplify right side
    2,948.40x = 8,719,052.67
  5. Step 5: Solve for x
    x = 8,719,052.67/2,948.40
  6. Step 6: Final answer
    x = 2,957.21

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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.