Home / 3,135.61-4,325.75-2,016.34

Finding the Fourth Proportional to 3,135.61, 4,325.75 and 2,016.34

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Solution

The fourth proportional to 3,135.61, 4,325.75 and 2,016.34 is: 2,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.61 : 4,325.75 = 2,016.34 : x
  2. Step 2: Convert to fraction form
    3,135.61/4,325.75 = 2,016.34/x
  3. Step 3: Cross multiply
    3,135.61x = 4,325.75 × 2,016.34
  4. Step 4: Simplify right side
    3,135.61x = 8,722,182.76
  5. Step 5: Solve for x
    x = 8,722,182.76/3,135.61
  6. Step 6: Final answer
    x = 2,781.65

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1.5x scale

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.