Home / 2,340.55-3,229.87-1,292.59

Finding the Fourth Proportional to 2,340.55, 3,229.87 and 1,292.59

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Solution

The fourth proportional to 2,340.55, 3,229.87 and 1,292.59 is: 1,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.55 : 3,229.87 = 1,292.59 : x
  2. Step 2: Convert to fraction form
    2,340.55/3,229.87 = 1,292.59/x
  3. Step 3: Cross multiply
    2,340.55x = 3,229.87 × 1,292.59
  4. Step 4: Simplify right side
    2,340.55x = 4,174,897.66
  5. Step 5: Solve for x
    x = 4,174,897.66/2,340.55
  6. Step 6: Final answer
    x = 1,783.73

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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.