Home / 2,815.12-4,241.74-2,338.84

Finding the Fourth Proportional to 2,815.12, 4,241.74 and 2,338.84

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Solution

The fourth proportional to 2,815.12, 4,241.74 and 2,338.84 is: 3,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.12 : 4,241.74 = 2,338.84 : x
  2. Step 2: Convert to fraction form
    2,815.12/4,241.74 = 2,338.84/x
  3. Step 3: Cross multiply
    2,815.12x = 4,241.74 × 2,338.84
  4. Step 4: Simplify right side
    2,815.12x = 9,920,751.18
  5. Step 5: Solve for x
    x = 9,920,751.18/2,815.12
  6. Step 6: Final answer
    x = 3,524.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.