Home / 4,046.24-5,583.96-2,278.40

Finding the Fourth Proportional to 4,046.24, 5,583.96 and 2,278.40

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Solution

The fourth proportional to 4,046.24, 5,583.96 and 2,278.40 is: 3,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.24 : 5,583.96 = 2,278.40 : x
  2. Step 2: Convert to fraction form
    4,046.24/5,583.96 = 2,278.40/x
  3. Step 3: Cross multiply
    4,046.24x = 5,583.96 × 2,278.40
  4. Step 4: Simplify right side
    4,046.24x = 12,722,494.46
  5. Step 5: Solve for x
    x = 12,722,494.46/4,046.24
  6. Step 6: Final answer
    x = 3,144.28

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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.