Home / 4,046.40-5,580.32-2,649.92

Finding the Fourth Proportional to 4,046.40, 5,580.32 and 2,649.92

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Solution

The fourth proportional to 4,046.40, 5,580.32 and 2,649.92 is: 3,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.40 : 5,580.32 = 2,649.92 : x
  2. Step 2: Convert to fraction form
    4,046.40/5,580.32 = 2,649.92/x
  3. Step 3: Cross multiply
    4,046.40x = 5,580.32 × 2,649.92
  4. Step 4: Simplify right side
    4,046.40x = 14,787,401.57
  5. Step 5: Solve for x
    x = 14,787,401.57/4,046.40
  6. Step 6: Final answer
    x = 3,654.46

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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.