Home / 3,159.01-4,359.45-1,742.75

Finding the Fourth Proportional to 3,159.01, 4,359.45 and 1,742.75

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Solution

The fourth proportional to 3,159.01, 4,359.45 and 1,742.75 is: 2,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.01 : 4,359.45 = 1,742.75 : x
  2. Step 2: Convert to fraction form
    3,159.01/4,359.45 = 1,742.75/x
  3. Step 3: Cross multiply
    3,159.01x = 4,359.45 × 1,742.75
  4. Step 4: Simplify right side
    3,159.01x = 7,597,431.49
  5. Step 5: Solve for x
    x = 7,597,431.49/3,159.01
  6. Step 6: Final answer
    x = 2,405.00

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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.