Home / 2,408.65-3,613.31-1,021.12

Finding the Fourth Proportional to 2,408.65, 3,613.31 and 1,021.12

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Solution

The fourth proportional to 2,408.65, 3,613.31 and 1,021.12 is: 1,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.65 : 3,613.31 = 1,021.12 : x
  2. Step 2: Convert to fraction form
    2,408.65/3,613.31 = 1,021.12/x
  3. Step 3: Cross multiply
    2,408.65x = 3,613.31 × 1,021.12
  4. Step 4: Simplify right side
    2,408.65x = 3,689,623.11
  5. Step 5: Solve for x
    x = 3,689,623.11/2,408.65
  6. Step 6: Final answer
    x = 1,531.82

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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.