Home / 3,316.34-4,974.40-1,125.08

Finding the Fourth Proportional to 3,316.34, 4,974.40 and 1,125.08

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Solution

The fourth proportional to 3,316.34, 4,974.40 and 1,125.08 is: 1,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.34 : 4,974.40 = 1,125.08 : x
  2. Step 2: Convert to fraction form
    3,316.34/4,974.40 = 1,125.08/x
  3. Step 3: Cross multiply
    3,316.34x = 4,974.40 × 1,125.08
  4. Step 4: Simplify right side
    3,316.34x = 5,596,570.27
  5. Step 5: Solve for x
    x = 5,596,570.27/3,316.34
  6. Step 6: Final answer
    x = 1,687.57

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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.