Home / 1,891.46-2,609.93-1,052.18

Finding the Fourth Proportional to 1,891.46, 2,609.93 and 1,052.18

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Solution

The fourth proportional to 1,891.46, 2,609.93 and 1,052.18 is: 1,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.46 : 2,609.93 = 1,052.18 : x
  2. Step 2: Convert to fraction form
    1,891.46/2,609.93 = 1,052.18/x
  3. Step 3: Cross multiply
    1,891.46x = 2,609.93 × 1,052.18
  4. Step 4: Simplify right side
    1,891.46x = 2,746,125.30
  5. Step 5: Solve for x
    x = 2,746,125.30/1,891.46
  6. Step 6: Final answer
    x = 1,451.86

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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.