Home / 3,138.04-4,702.08-2,550.20

Finding the Fourth Proportional to 3,138.04, 4,702.08 and 2,550.20

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Solution

The fourth proportional to 3,138.04, 4,702.08 and 2,550.20 is: 3,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.04 : 4,702.08 = 2,550.20 : x
  2. Step 2: Convert to fraction form
    3,138.04/4,702.08 = 2,550.20/x
  3. Step 3: Cross multiply
    3,138.04x = 4,702.08 × 2,550.20
  4. Step 4: Simplify right side
    3,138.04x = 11,991,244.42
  5. Step 5: Solve for x
    x = 11,991,244.42/3,138.04
  6. Step 6: Final answer
    x = 3,821.26

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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.