Home / 2,398.28-3,310.20-1,601.64

Finding the Fourth Proportional to 2,398.28, 3,310.20 and 1,601.64

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Solution

The fourth proportional to 2,398.28, 3,310.20 and 1,601.64 is: 2,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.28 : 3,310.20 = 1,601.64 : x
  2. Step 2: Convert to fraction form
    2,398.28/3,310.20 = 1,601.64/x
  3. Step 3: Cross multiply
    2,398.28x = 3,310.20 × 1,601.64
  4. Step 4: Simplify right side
    2,398.28x = 5,301,748.73
  5. Step 5: Solve for x
    x = 5,301,748.73/2,398.28
  6. Step 6: Final answer
    x = 2,210.65

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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.