Home / 3,179.24-4,770.48-2,320.64

Finding the Fourth Proportional to 3,179.24, 4,770.48 and 2,320.64

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Solution

The fourth proportional to 3,179.24, 4,770.48 and 2,320.64 is: 3,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.24 : 4,770.48 = 2,320.64 : x
  2. Step 2: Convert to fraction form
    3,179.24/4,770.48 = 2,320.64/x
  3. Step 3: Cross multiply
    3,179.24x = 4,770.48 × 2,320.64
  4. Step 4: Simplify right side
    3,179.24x = 11,070,566.71
  5. Step 5: Solve for x
    x = 11,070,566.71/3,179.24
  6. Step 6: Final answer
    x = 3,482.14

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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.