Home / 3,423.60-4,717.67-2,477.75

Finding the Fourth Proportional to 3,423.60, 4,717.67 and 2,477.75

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Solution

The fourth proportional to 3,423.60, 4,717.67 and 2,477.75 is: 3,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.60 : 4,717.67 = 2,477.75 : x
  2. Step 2: Convert to fraction form
    3,423.60/4,717.67 = 2,477.75/x
  3. Step 3: Cross multiply
    3,423.60x = 4,717.67 × 2,477.75
  4. Step 4: Simplify right side
    3,423.60x = 11,689,170.87
  5. Step 5: Solve for x
    x = 11,689,170.87/3,423.60
  6. Step 6: Final answer
    x = 3,414.29

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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.