Home / 2,340.41-3,229.62-1,292.50

Finding the Fourth Proportional to 2,340.41, 3,229.62 and 1,292.50

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Solution

The fourth proportional to 2,340.41, 3,229.62 and 1,292.50 is: 1,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.41 : 3,229.62 = 1,292.50 : x
  2. Step 2: Convert to fraction form
    2,340.41/3,229.62 = 1,292.50/x
  3. Step 3: Cross multiply
    2,340.41x = 3,229.62 × 1,292.50
  4. Step 4: Simplify right side
    2,340.41x = 4,174,267.70
  5. Step 5: Solve for x
    x = 4,174,267.70/2,340.41
  6. Step 6: Final answer
    x = 1,783.56

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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.