Home / 3,525.80-5,288.55-1,445.12

Finding the Fourth Proportional to 3,525.80, 5,288.55 and 1,445.12

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Solution

The fourth proportional to 3,525.80, 5,288.55 and 1,445.12 is: 2,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.80 : 5,288.55 = 1,445.12 : x
  2. Step 2: Convert to fraction form
    3,525.80/5,288.55 = 1,445.12/x
  3. Step 3: Cross multiply
    3,525.80x = 5,288.55 × 1,445.12
  4. Step 4: Simplify right side
    3,525.80x = 7,642,589.38
  5. Step 5: Solve for x
    x = 7,642,589.38/3,525.80
  6. Step 6: Final answer
    x = 2,167.62

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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.