Home / 2,408.15-3,612.23-1,021.13

Finding the Fourth Proportional to 2,408.15, 3,612.23 and 1,021.13

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Solution

The fourth proportional to 2,408.15, 3,612.23 and 1,021.13 is: 1,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.15 : 3,612.23 = 1,021.13 : x
  2. Step 2: Convert to fraction form
    2,408.15/3,612.23 = 1,021.13/x
  3. Step 3: Cross multiply
    2,408.15x = 3,612.23 × 1,021.13
  4. Step 4: Simplify right side
    2,408.15x = 3,688,556.42
  5. Step 5: Solve for x
    x = 3,688,556.42/2,408.15
  6. Step 6: Final answer
    x = 1,531.70

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Similar ratio
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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.