Home / 3,240.48-4,465.62-2,354.88

Finding the Fourth Proportional to 3,240.48, 4,465.62 and 2,354.88

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Solution

The fourth proportional to 3,240.48, 4,465.62 and 2,354.88 is: 3,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.48 : 4,465.62 = 2,354.88 : x
  2. Step 2: Convert to fraction form
    3,240.48/4,465.62 = 2,354.88/x
  3. Step 3: Cross multiply
    3,240.48x = 4,465.62 × 2,354.88
  4. Step 4: Simplify right side
    3,240.48x = 10,515,999.23
  5. Step 5: Solve for x
    x = 10,515,999.23/3,240.48
  6. Step 6: Final answer
    x = 3,245.20

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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.