Home / 2,867.39-3,957.63-1,819.25

Finding the Fourth Proportional to 2,867.39, 3,957.63 and 1,819.25

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Solution

The fourth proportional to 2,867.39, 3,957.63 and 1,819.25 is: 2,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.39 : 3,957.63 = 1,819.25 : x
  2. Step 2: Convert to fraction form
    2,867.39/3,957.63 = 1,819.25/x
  3. Step 3: Cross multiply
    2,867.39x = 3,957.63 × 1,819.25
  4. Step 4: Simplify right side
    2,867.39x = 7,199,918.38
  5. Step 5: Solve for x
    x = 7,199,918.38/2,867.39
  6. Step 6: Final answer
    x = 2,510.97

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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.