Home / 3,452.89-5,180.35-1,605.11

Finding the Fourth Proportional to 3,452.89, 5,180.35 and 1,605.11

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Solution

The fourth proportional to 3,452.89, 5,180.35 and 1,605.11 is: 2,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.89 : 5,180.35 = 1,605.11 : x
  2. Step 2: Convert to fraction form
    3,452.89/5,180.35 = 1,605.11/x
  3. Step 3: Cross multiply
    3,452.89x = 5,180.35 × 1,605.11
  4. Step 4: Simplify right side
    3,452.89x = 8,315,001.67
  5. Step 5: Solve for x
    x = 8,315,001.67/3,452.89
  6. Step 6: Final answer
    x = 2,408.13

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1.5x scale

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.