Home / 2,797.13-3,860.14-1,538.24

Finding the Fourth Proportional to 2,797.13, 3,860.14 and 1,538.24

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Solution

The fourth proportional to 2,797.13, 3,860.14 and 1,538.24 is: 2,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.13 : 3,860.14 = 1,538.24 : x
  2. Step 2: Convert to fraction form
    2,797.13/3,860.14 = 1,538.24/x
  3. Step 3: Cross multiply
    2,797.13x = 3,860.14 × 1,538.24
  4. Step 4: Simplify right side
    2,797.13x = 5,937,821.75
  5. Step 5: Solve for x
    x = 5,937,821.75/2,797.13
  6. Step 6: Final answer
    x = 2,122.83

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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.