Home / 2,886.24-4,330.24-1,221.12

Finding the Fourth Proportional to 2,886.24, 4,330.24 and 1,221.12

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Solution

The fourth proportional to 2,886.24, 4,330.24 and 1,221.12 is: 1,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.24 : 4,330.24 = 1,221.12 : x
  2. Step 2: Convert to fraction form
    2,886.24/4,330.24 = 1,221.12/x
  3. Step 3: Cross multiply
    2,886.24x = 4,330.24 × 1,221.12
  4. Step 4: Simplify right side
    2,886.24x = 5,287,742.67
  5. Step 5: Solve for x
    x = 5,287,742.67/2,886.24
  6. Step 6: Final answer
    x = 1,832.05

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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.