Home / 3,316.42-4,974.09-1,125.10

Finding the Fourth Proportional to 3,316.42, 4,974.09 and 1,125.10

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Solution

The fourth proportional to 3,316.42, 4,974.09 and 1,125.10 is: 1,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.42 : 4,974.09 = 1,125.10 : x
  2. Step 2: Convert to fraction form
    3,316.42/4,974.09 = 1,125.10/x
  3. Step 3: Cross multiply
    3,316.42x = 4,974.09 × 1,125.10
  4. Step 4: Simplify right side
    3,316.42x = 5,596,348.66
  5. Step 5: Solve for x
    x = 5,596,348.66/3,316.42
  6. Step 6: Final answer
    x = 1,687.47

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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.