Home / 3,108.80-4,659.10-2,283.20

Finding the Fourth Proportional to 3,108.80, 4,659.10 and 2,283.20

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Solution

The fourth proportional to 3,108.80, 4,659.10 and 2,283.20 is: 3,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.80 : 4,659.10 = 2,283.20 : x
  2. Step 2: Convert to fraction form
    3,108.80/4,659.10 = 2,283.20/x
  3. Step 3: Cross multiply
    3,108.80x = 4,659.10 × 2,283.20
  4. Step 4: Simplify right side
    3,108.80x = 10,637,657.12
  5. Step 5: Solve for x
    x = 10,637,657.12/3,108.80
  6. Step 6: Final answer
    x = 3,421.79

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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.