Home / 3,155.49-4,734.15-1,306.26

Finding the Fourth Proportional to 3,155.49, 4,734.15 and 1,306.26

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Solution

The fourth proportional to 3,155.49, 4,734.15 and 1,306.26 is: 1,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.49 : 4,734.15 = 1,306.26 : x
  2. Step 2: Convert to fraction form
    3,155.49/4,734.15 = 1,306.26/x
  3. Step 3: Cross multiply
    3,155.49x = 4,734.15 × 1,306.26
  4. Step 4: Simplify right side
    3,155.49x = 6,184,025.88
  5. Step 5: Solve for x
    x = 6,184,025.88/3,155.49
  6. Step 6: Final answer
    x = 1,959.77

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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.