Home / 2,780.23-4,175.12-2,468.58

Finding the Fourth Proportional to 2,780.23, 4,175.12 and 2,468.58

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Solution

The fourth proportional to 2,780.23, 4,175.12 and 2,468.58 is: 3,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.23 : 4,175.12 = 2,468.58 : x
  2. Step 2: Convert to fraction form
    2,780.23/4,175.12 = 2,468.58/x
  3. Step 3: Cross multiply
    2,780.23x = 4,175.12 × 2,468.58
  4. Step 4: Simplify right side
    2,780.23x = 10,306,605.39
  5. Step 5: Solve for x
    x = 10,306,605.39/2,780.23
  6. Step 6: Final answer
    x = 3,707.11

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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.