Home / 3,560.38-5,340.58-1,479.08

Finding the Fourth Proportional to 3,560.38, 5,340.58 and 1,479.08

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Solution

The fourth proportional to 3,560.38, 5,340.58 and 1,479.08 is: 2,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.38 : 5,340.58 = 1,479.08 : x
  2. Step 2: Convert to fraction form
    3,560.38/5,340.58 = 1,479.08/x
  3. Step 3: Cross multiply
    3,560.38x = 5,340.58 × 1,479.08
  4. Step 4: Simplify right side
    3,560.38x = 7,899,145.07
  5. Step 5: Solve for x
    x = 7,899,145.07/3,560.38
  6. Step 6: Final answer
    x = 2,218.62

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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.