Home / 3,159.14-4,359.40-1,742.85

Finding the Fourth Proportional to 3,159.14, 4,359.40 and 1,742.85

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Solution

The fourth proportional to 3,159.14, 4,359.40 and 1,742.85 is: 2,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.14 : 4,359.40 = 1,742.85 : x
  2. Step 2: Convert to fraction form
    3,159.14/4,359.40 = 1,742.85/x
  3. Step 3: Cross multiply
    3,159.14x = 4,359.40 × 1,742.85
  4. Step 4: Simplify right side
    3,159.14x = 7,597,775.93
  5. Step 5: Solve for x
    x = 7,597,775.93/3,159.14
  6. Step 6: Final answer
    x = 2,405.02

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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.