Home / 3,479.25-5,215.40-2,247.53

Finding the Fourth Proportional to 3,479.25, 5,215.40 and 2,247.53

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Solution

The fourth proportional to 3,479.25, 5,215.40 and 2,247.53 is: 3,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.25 : 5,215.40 = 2,247.53 : x
  2. Step 2: Convert to fraction form
    3,479.25/5,215.40 = 2,247.53/x
  3. Step 3: Cross multiply
    3,479.25x = 5,215.40 × 2,247.53
  4. Step 4: Simplify right side
    3,479.25x = 11,721,756.72
  5. Step 5: Solve for x
    x = 11,721,756.72/3,479.25
  6. Step 6: Final answer
    x = 3,369.05

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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.