Home / 4,044.16-5,580.80-2,867.20

Finding the Fourth Proportional to 4,044.16, 5,580.80 and 2,867.20

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Solution

The fourth proportional to 4,044.16, 5,580.80 and 2,867.20 is: 3,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,044.16 : 5,580.80 = 2,867.20 : x
  2. Step 2: Convert to fraction form
    4,044.16/5,580.80 = 2,867.20/x
  3. Step 3: Cross multiply
    4,044.16x = 5,580.80 × 2,867.20
  4. Step 4: Simplify right side
    4,044.16x = 16,001,269.76
  5. Step 5: Solve for x
    x = 16,001,269.76/4,044.16
  6. Step 6: Final answer
    x = 3,956.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.