Home / 2,985.38-4,479.71-1,446.38

Finding the Fourth Proportional to 2,985.38, 4,479.71 and 1,446.38

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Solution

The fourth proportional to 2,985.38, 4,479.71 and 1,446.38 is: 2,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.38 : 4,479.71 = 1,446.38 : x
  2. Step 2: Convert to fraction form
    2,985.38/4,479.71 = 1,446.38/x
  3. Step 3: Cross multiply
    2,985.38x = 4,479.71 × 1,446.38
  4. Step 4: Simplify right side
    2,985.38x = 6,479,333.32
  5. Step 5: Solve for x
    x = 6,479,333.32/2,985.38
  6. Step 6: Final answer
    x = 2,170.36

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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.