Home / 2,390.20-3,560.65-2,317.66

Finding the Fourth Proportional to 2,390.20, 3,560.65 and 2,317.66

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Solution

The fourth proportional to 2,390.20, 3,560.65 and 2,317.66 is: 3,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.20 : 3,560.65 = 2,317.66 : x
  2. Step 2: Convert to fraction form
    2,390.20/3,560.65 = 2,317.66/x
  3. Step 3: Cross multiply
    2,390.20x = 3,560.65 × 2,317.66
  4. Step 4: Simplify right side
    2,390.20x = 8,252,361.38
  5. Step 5: Solve for x
    x = 8,252,361.38/2,390.20
  6. Step 6: Final answer
    x = 3,452.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.