Home / 2,439.60-3,659.84-1,141.06

Finding the Fourth Proportional to 2,439.60, 3,659.84 and 1,141.06

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Solution

The fourth proportional to 2,439.60, 3,659.84 and 1,141.06 is: 1,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.60 : 3,659.84 = 1,141.06 : x
  2. Step 2: Convert to fraction form
    2,439.60/3,659.84 = 1,141.06/x
  3. Step 3: Cross multiply
    2,439.60x = 3,659.84 × 1,141.06
  4. Step 4: Simplify right side
    2,439.60x = 4,176,097.03
  5. Step 5: Solve for x
    x = 4,176,097.03/2,439.60
  6. Step 6: Final answer
    x = 1,711.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.