Home / 2,979.88-4,465.66-2,538.83

Finding the Fourth Proportional to 2,979.88, 4,465.66 and 2,538.83

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Solution

The fourth proportional to 2,979.88, 4,465.66 and 2,538.83 is: 3,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.88 : 4,465.66 = 2,538.83 : x
  2. Step 2: Convert to fraction form
    2,979.88/4,465.66 = 2,538.83/x
  3. Step 3: Cross multiply
    2,979.88x = 4,465.66 × 2,538.83
  4. Step 4: Simplify right side
    2,979.88x = 11,337,551.58
  5. Step 5: Solve for x
    x = 11,337,551.58/2,979.88
  6. Step 6: Final answer
    x = 3,804.70

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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.