Home / 2,447.21-3,374.09-1,452.13

Finding the Fourth Proportional to 2,447.21, 3,374.09 and 1,452.13

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Solution

The fourth proportional to 2,447.21, 3,374.09 and 1,452.13 is: 2,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.21 : 3,374.09 = 1,452.13 : x
  2. Step 2: Convert to fraction form
    2,447.21/3,374.09 = 1,452.13/x
  3. Step 3: Cross multiply
    2,447.21x = 3,374.09 × 1,452.13
  4. Step 4: Simplify right side
    2,447.21x = 4,899,607.06
  5. Step 5: Solve for x
    x = 4,899,607.06/2,447.21
  6. Step 6: Final answer
    x = 2,002.12

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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.