Home / 3,582.10-4,951.56-2,989.18

Finding the Fourth Proportional to 3,582.10, 4,951.56 and 2,989.18

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Solution

The fourth proportional to 3,582.10, 4,951.56 and 2,989.18 is: 4,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.10 : 4,951.56 = 2,989.18 : x
  2. Step 2: Convert to fraction form
    3,582.10/4,951.56 = 2,989.18/x
  3. Step 3: Cross multiply
    3,582.10x = 4,951.56 × 2,989.18
  4. Step 4: Simplify right side
    3,582.10x = 14,801,104.12
  5. Step 5: Solve for x
    x = 14,801,104.12/3,582.10
  6. Step 6: Final answer
    x = 4,131.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.