Home / 3,330.04-4,995.78-1,687.48

Finding the Fourth Proportional to 3,330.04, 4,995.78 and 1,687.48

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Solution

The fourth proportional to 3,330.04, 4,995.78 and 1,687.48 is: 2,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.04 : 4,995.78 = 1,687.48 : x
  2. Step 2: Convert to fraction form
    3,330.04/4,995.78 = 1,687.48/x
  3. Step 3: Cross multiply
    3,330.04x = 4,995.78 × 1,687.48
  4. Step 4: Simplify right side
    3,330.04x = 8,430,278.83
  5. Step 5: Solve for x
    x = 8,430,278.83/3,330.04
  6. Step 6: Final answer
    x = 2,531.58

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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.