Home / 3,649.98-5,475.18-2,479.48

Finding the Fourth Proportional to 3,649.98, 5,475.18 and 2,479.48

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Solution

The fourth proportional to 3,649.98, 5,475.18 and 2,479.48 is: 3,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.98 : 5,475.18 = 2,479.48 : x
  2. Step 2: Convert to fraction form
    3,649.98/5,475.18 = 2,479.48/x
  3. Step 3: Cross multiply
    3,649.98x = 5,475.18 × 2,479.48
  4. Step 4: Simplify right side
    3,649.98x = 13,575,599.31
  5. Step 5: Solve for x
    x = 13,575,599.31/3,649.98
  6. Step 6: Final answer
    x = 3,719.36

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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.