Home / 2,886.42-4,328.92-1,325.96

Finding the Fourth Proportional to 2,886.42, 4,328.92 and 1,325.96

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Solution

The fourth proportional to 2,886.42, 4,328.92 and 1,325.96 is: 1,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.42 : 4,328.92 = 1,325.96 : x
  2. Step 2: Convert to fraction form
    2,886.42/4,328.92 = 1,325.96/x
  3. Step 3: Cross multiply
    2,886.42x = 4,328.92 × 1,325.96
  4. Step 4: Simplify right side
    2,886.42x = 5,739,974.76
  5. Step 5: Solve for x
    x = 5,739,974.76/2,886.42
  6. Step 6: Final answer
    x = 1,988.61

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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.