Home / 3,328.95-4,996.50-1,686.65

Finding the Fourth Proportional to 3,328.95, 4,996.50 and 1,686.65

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Solution

The fourth proportional to 3,328.95, 4,996.50 and 1,686.65 is: 2,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.95 : 4,996.50 = 1,686.65 : x
  2. Step 2: Convert to fraction form
    3,328.95/4,996.50 = 1,686.65/x
  3. Step 3: Cross multiply
    3,328.95x = 4,996.50 × 1,686.65
  4. Step 4: Simplify right side
    3,328.95x = 8,427,321.74
  5. Step 5: Solve for x
    x = 8,427,321.74/3,328.95
  6. Step 6: Final answer
    x = 2,531.53

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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.