Home / 3,015.11-4,543.21-2,479.30

Finding the Fourth Proportional to 3,015.11, 4,543.21 and 2,479.30

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Solution

The fourth proportional to 3,015.11, 4,543.21 and 2,479.30 is: 3,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.11 : 4,543.21 = 2,479.30 : x
  2. Step 2: Convert to fraction form
    3,015.11/4,543.21 = 2,479.30/x
  3. Step 3: Cross multiply
    3,015.11x = 4,543.21 × 2,479.30
  4. Step 4: Simplify right side
    3,015.11x = 11,263,957.84
  5. Step 5: Solve for x
    x = 11,263,957.84/3,015.11
  6. Step 6: Final answer
    x = 3,735.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.