Home / 3,525.72-5,287.37-1,445.14

Finding the Fourth Proportional to 3,525.72, 5,287.37 and 1,445.14

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Solution

The fourth proportional to 3,525.72, 5,287.37 and 1,445.14 is: 2,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.72 : 5,287.37 = 1,445.14 : x
  2. Step 2: Convert to fraction form
    3,525.72/5,287.37 = 1,445.14/x
  3. Step 3: Cross multiply
    3,525.72x = 5,287.37 × 1,445.14
  4. Step 4: Simplify right side
    3,525.72x = 7,640,956.22
  5. Step 5: Solve for x
    x = 7,640,956.22/3,525.72
  6. Step 6: Final answer
    x = 2,167.20

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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.