Home / 3,178.29-4,764.69-1,532.57

Finding the Fourth Proportional to 3,178.29, 4,764.69 and 1,532.57

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Solution

The fourth proportional to 3,178.29, 4,764.69 and 1,532.57 is: 2,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.29 : 4,764.69 = 1,532.57 : x
  2. Step 2: Convert to fraction form
    3,178.29/4,764.69 = 1,532.57/x
  3. Step 3: Cross multiply
    3,178.29x = 4,764.69 × 1,532.57
  4. Step 4: Simplify right side
    3,178.29x = 7,302,197.13
  5. Step 5: Solve for x
    x = 7,302,197.13/3,178.29
  6. Step 6: Final answer
    x = 2,297.52

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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.