Home / 2,287.30-3,154.10-1,956.82

Finding the Fourth Proportional to 2,287.30, 3,154.10 and 1,956.82

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Solution

The fourth proportional to 2,287.30, 3,154.10 and 1,956.82 is: 2,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.30 : 3,154.10 = 1,956.82 : x
  2. Step 2: Convert to fraction form
    2,287.30/3,154.10 = 1,956.82/x
  3. Step 3: Cross multiply
    2,287.30x = 3,154.10 × 1,956.82
  4. Step 4: Simplify right side
    2,287.30x = 6,172,005.96
  5. Step 5: Solve for x
    x = 6,172,005.96/2,287.30
  6. Step 6: Final answer
    x = 2,698.38

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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.