Home / 3,655.44-5,476.20-2,479.68

Finding the Fourth Proportional to 3,655.44, 5,476.20 and 2,479.68

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Solution

The fourth proportional to 3,655.44, 5,476.20 and 2,479.68 is: 3,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.44 : 5,476.20 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    3,655.44/5,476.20 = 2,479.68/x
  3. Step 3: Cross multiply
    3,655.44x = 5,476.20 × 2,479.68
  4. Step 4: Simplify right side
    3,655.44x = 13,579,223.62
  5. Step 5: Solve for x
    x = 13,579,223.62/3,655.44
  6. Step 6: Final answer
    x = 3,714.80

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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.