Home / 2,989.60-4,504.33-2,753.44

Finding the Fourth Proportional to 2,989.60, 4,504.33 and 2,753.44

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Solution

The fourth proportional to 2,989.60, 4,504.33 and 2,753.44 is: 4,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.60 : 4,504.33 = 2,753.44 : x
  2. Step 2: Convert to fraction form
    2,989.60/4,504.33 = 2,753.44/x
  3. Step 3: Cross multiply
    2,989.60x = 4,504.33 × 2,753.44
  4. Step 4: Simplify right side
    2,989.60x = 12,402,402.40
  5. Step 5: Solve for x
    x = 12,402,402.40/2,989.60
  6. Step 6: Final answer
    x = 4,148.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.