Home / 2,678.38-4,014.52-1,508.94

Finding the Fourth Proportional to 2,678.38, 4,014.52 and 1,508.94

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Solution

The fourth proportional to 2,678.38, 4,014.52 and 1,508.94 is: 2,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.38 : 4,014.52 = 1,508.94 : x
  2. Step 2: Convert to fraction form
    2,678.38/4,014.52 = 1,508.94/x
  3. Step 3: Cross multiply
    2,678.38x = 4,014.52 × 1,508.94
  4. Step 4: Simplify right side
    2,678.38x = 6,057,669.81
  5. Step 5: Solve for x
    x = 6,057,669.81/2,678.38
  6. Step 6: Final answer
    x = 2,261.69

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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.