Home / 3,316.19-4,974.28-1,854.54

Finding the Fourth Proportional to 3,316.19, 4,974.28 and 1,854.54

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Solution

The fourth proportional to 3,316.19, 4,974.28 and 1,854.54 is: 2,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.19 : 4,974.28 = 1,854.54 : x
  2. Step 2: Convert to fraction form
    3,316.19/4,974.28 = 1,854.54/x
  3. Step 3: Cross multiply
    3,316.19x = 4,974.28 × 1,854.54
  4. Step 4: Simplify right side
    3,316.19x = 9,225,001.23
  5. Step 5: Solve for x
    x = 9,225,001.23/3,316.19
  6. Step 6: Final answer
    x = 2,781.81

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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.