Home / 2,854.03-3,938.71-1,734.79

Finding the Fourth Proportional to 2,854.03, 3,938.71 and 1,734.79

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Solution

The fourth proportional to 2,854.03, 3,938.71 and 1,734.79 is: 2,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.03 : 3,938.71 = 1,734.79 : x
  2. Step 2: Convert to fraction form
    2,854.03/3,938.71 = 1,734.79/x
  3. Step 3: Cross multiply
    2,854.03x = 3,938.71 × 1,734.79
  4. Step 4: Simplify right side
    2,854.03x = 6,832,830.30
  5. Step 5: Solve for x
    x = 6,832,830.30/2,854.03
  6. Step 6: Final answer
    x = 2,394.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.