Home / 2,340.05-3,229.14-1,455.85

Finding the Fourth Proportional to 2,340.05, 3,229.14 and 1,455.85

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Solution

The fourth proportional to 2,340.05, 3,229.14 and 1,455.85 is: 2,008.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.05 : 3,229.14 = 1,455.85 : x
  2. Step 2: Convert to fraction form
    2,340.05/3,229.14 = 1,455.85/x
  3. Step 3: Cross multiply
    2,340.05x = 3,229.14 × 1,455.85
  4. Step 4: Simplify right side
    2,340.05x = 4,701,140.86
  5. Step 5: Solve for x
    x = 4,701,140.86/2,340.05
  6. Step 6: Final answer
    x = 2,008.99

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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.