Home / 2,416.30-3,620.40-2,003.20

Finding the Fourth Proportional to 2,416.30, 3,620.40 and 2,003.20

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Solution

The fourth proportional to 2,416.30, 3,620.40 and 2,003.20 is: 3,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.30 : 3,620.40 = 2,003.20 : x
  2. Step 2: Convert to fraction form
    2,416.30/3,620.40 = 2,003.20/x
  3. Step 3: Cross multiply
    2,416.30x = 3,620.40 × 2,003.20
  4. Step 4: Simplify right side
    2,416.30x = 7,252,385.28
  5. Step 5: Solve for x
    x = 7,252,385.28/2,416.30
  6. Step 6: Final answer
    x = 3,001.44

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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.