Home / 2,720.12-3,753.45-1,525.01

Finding the Fourth Proportional to 2,720.12, 3,753.45 and 1,525.01

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Solution

The fourth proportional to 2,720.12, 3,753.45 and 1,525.01 is: 2,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.12 : 3,753.45 = 1,525.01 : x
  2. Step 2: Convert to fraction form
    2,720.12/3,753.45 = 1,525.01/x
  3. Step 3: Cross multiply
    2,720.12x = 3,753.45 × 1,525.01
  4. Step 4: Simplify right side
    2,720.12x = 5,724,030.02
  5. Step 5: Solve for x
    x = 5,724,030.02/2,720.12
  6. Step 6: Final answer
    x = 2,104.33

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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.