Home / 3,247.17-4,870.35-1,299.39

Finding the Fourth Proportional to 3,247.17, 4,870.35 and 1,299.39

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Solution

The fourth proportional to 3,247.17, 4,870.35 and 1,299.39 is: 1,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.17 : 4,870.35 = 1,299.39 : x
  2. Step 2: Convert to fraction form
    3,247.17/4,870.35 = 1,299.39/x
  3. Step 3: Cross multiply
    3,247.17x = 4,870.35 × 1,299.39
  4. Step 4: Simplify right side
    3,247.17x = 6,328,484.09
  5. Step 5: Solve for x
    x = 6,328,484.09/3,247.17
  6. Step 6: Final answer
    x = 1,948.92

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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.