Home / 2,720.12-3,753.93-1,525.20

Finding the Fourth Proportional to 2,720.12, 3,753.93 and 1,525.20

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Solution

The fourth proportional to 2,720.12, 3,753.93 and 1,525.20 is: 2,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.12 : 3,753.93 = 1,525.20 : x
  2. Step 2: Convert to fraction form
    2,720.12/3,753.93 = 1,525.20/x
  3. Step 3: Cross multiply
    2,720.12x = 3,753.93 × 1,525.20
  4. Step 4: Simplify right side
    2,720.12x = 5,725,494.04
  5. Step 5: Solve for x
    x = 5,725,494.04/2,720.12
  6. Step 6: Final answer
    x = 2,104.87

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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.