Home / 2,447.16-3,374.10-2,131.26

Finding the Fourth Proportional to 2,447.16, 3,374.10 and 2,131.26

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Solution

The fourth proportional to 2,447.16, 3,374.10 and 2,131.26 is: 2,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.16 : 3,374.10 = 2,131.26 : x
  2. Step 2: Convert to fraction form
    2,447.16/3,374.10 = 2,131.26/x
  3. Step 3: Cross multiply
    2,447.16x = 3,374.10 × 2,131.26
  4. Step 4: Simplify right side
    2,447.16x = 7,191,084.37
  5. Step 5: Solve for x
    x = 7,191,084.37/2,447.16
  6. Step 6: Final answer
    x = 2,938.54

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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.