Home / 2,479.10-3,697.84-2,277.61

Finding the Fourth Proportional to 2,479.10, 3,697.84 and 2,277.61

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Solution

The fourth proportional to 2,479.10, 3,697.84 and 2,277.61 is: 3,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.10 : 3,697.84 = 2,277.61 : x
  2. Step 2: Convert to fraction form
    2,479.10/3,697.84 = 2,277.61/x
  3. Step 3: Cross multiply
    2,479.10x = 3,697.84 × 2,277.61
  4. Step 4: Simplify right side
    2,479.10x = 8,422,222.42
  5. Step 5: Solve for x
    x = 8,422,222.42/2,479.10
  6. Step 6: Final answer
    x = 3,397.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.