Home / 2,340.60-3,230.06-1,292.66

Finding the Fourth Proportional to 2,340.60, 3,230.06 and 1,292.66

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Solution

The fourth proportional to 2,340.60, 3,230.06 and 1,292.66 is: 1,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.60 : 3,230.06 = 1,292.66 : x
  2. Step 2: Convert to fraction form
    2,340.60/3,230.06 = 1,292.66/x
  3. Step 3: Cross multiply
    2,340.60x = 3,230.06 × 1,292.66
  4. Step 4: Simplify right side
    2,340.60x = 4,175,346.75
  5. Step 5: Solve for x
    x = 4,175,346.75/2,340.60
  6. Step 6: Final answer
    x = 1,783.88

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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.