Home / 2,538.13-3,806.19-977.27

Finding the Fourth Proportional to 2,538.13, 3,806.19 and 977.27

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Solution

The fourth proportional to 2,538.13, 3,806.19 and 977.27 is: 1,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.13 : 3,806.19 = 977.27 : x
  2. Step 2: Convert to fraction form
    2,538.13/3,806.19 = 977.27/x
  3. Step 3: Cross multiply
    2,538.13x = 3,806.19 × 977.27
  4. Step 4: Simplify right side
    2,538.13x = 3,719,686.04
  5. Step 5: Solve for x
    x = 3,719,686.04/2,538.13
  6. Step 6: Final answer
    x = 1,465.52

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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.