Home / 3,245.24-4,478.43-1,753.16

Finding the Fourth Proportional to 3,245.24, 4,478.43 and 1,753.16

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Solution

The fourth proportional to 3,245.24, 4,478.43 and 1,753.16 is: 2,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.24 : 4,478.43 = 1,753.16 : x
  2. Step 2: Convert to fraction form
    3,245.24/4,478.43 = 1,753.16/x
  3. Step 3: Cross multiply
    3,245.24x = 4,478.43 × 1,753.16
  4. Step 4: Simplify right side
    3,245.24x = 7,851,404.34
  5. Step 5: Solve for x
    x = 7,851,404.34/3,245.24
  6. Step 6: Final answer
    x = 2,419.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.