Home / 3,490.57-4,819.20-2,427.94

Finding the Fourth Proportional to 3,490.57, 4,819.20 and 2,427.94

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Solution

The fourth proportional to 3,490.57, 4,819.20 and 2,427.94 is: 3,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.57 : 4,819.20 = 2,427.94 : x
  2. Step 2: Convert to fraction form
    3,490.57/4,819.20 = 2,427.94/x
  3. Step 3: Cross multiply
    3,490.57x = 4,819.20 × 2,427.94
  4. Step 4: Simplify right side
    3,490.57x = 11,700,728.45
  5. Step 5: Solve for x
    x = 11,700,728.45/3,490.57
  6. Step 6: Final answer
    x = 3,352.10

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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.