Home / 2,867.20-4,301.76-1,406.08

Finding the Fourth Proportional to 2,867.20, 4,301.76 and 1,406.08

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Solution

The fourth proportional to 2,867.20, 4,301.76 and 1,406.08 is: 2,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.20 : 4,301.76 = 1,406.08 : x
  2. Step 2: Convert to fraction form
    2,867.20/4,301.76 = 1,406.08/x
  3. Step 3: Cross multiply
    2,867.20x = 4,301.76 × 1,406.08
  4. Step 4: Simplify right side
    2,867.20x = 6,048,618.70
  5. Step 5: Solve for x
    x = 6,048,618.70/2,867.20
  6. Step 6: Final answer
    x = 2,109.59

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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.