Home / 3,549.12-5,323.68-1,240.08

Finding the Fourth Proportional to 3,549.12, 5,323.68 and 1,240.08

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Solution

The fourth proportional to 3,549.12, 5,323.68 and 1,240.08 is: 1,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.12 : 5,323.68 = 1,240.08 : x
  2. Step 2: Convert to fraction form
    3,549.12/5,323.68 = 1,240.08/x
  3. Step 3: Cross multiply
    3,549.12x = 5,323.68 × 1,240.08
  4. Step 4: Simplify right side
    3,549.12x = 6,601,789.09
  5. Step 5: Solve for x
    x = 6,601,789.09/3,549.12
  6. Step 6: Final answer
    x = 1,860.12

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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.