Home / 2,913.72-4,021.29-1,734.77

Finding the Fourth Proportional to 2,913.72, 4,021.29 and 1,734.77

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Solution

The fourth proportional to 2,913.72, 4,021.29 and 1,734.77 is: 2,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.72 : 4,021.29 = 1,734.77 : x
  2. Step 2: Convert to fraction form
    2,913.72/4,021.29 = 1,734.77/x
  3. Step 3: Cross multiply
    2,913.72x = 4,021.29 × 1,734.77
  4. Step 4: Simplify right side
    2,913.72x = 6,975,993.15
  5. Step 5: Solve for x
    x = 6,975,993.15/2,913.72
  6. Step 6: Final answer
    x = 2,394.19

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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.