Home / 2,447.31-3,379.14-1,504.40

Finding the Fourth Proportional to 2,447.31, 3,379.14 and 1,504.40

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Solution

The fourth proportional to 2,447.31, 3,379.14 and 1,504.40 is: 2,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.31 : 3,379.14 = 1,504.40 : x
  2. Step 2: Convert to fraction form
    2,447.31/3,379.14 = 1,504.40/x
  3. Step 3: Cross multiply
    2,447.31x = 3,379.14 × 1,504.40
  4. Step 4: Simplify right side
    2,447.31x = 5,083,575.06
  5. Step 5: Solve for x
    x = 5,083,575.06/2,447.31
  6. Step 6: Final answer
    x = 2,077.21

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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.