Home / 2,442.61-3,370.71-1,447.29

Finding the Fourth Proportional to 2,442.61, 3,370.71 and 1,447.29

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Solution

The fourth proportional to 2,442.61, 3,370.71 and 1,447.29 is: 1,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.61 : 3,370.71 = 1,447.29 : x
  2. Step 2: Convert to fraction form
    2,442.61/3,370.71 = 1,447.29/x
  3. Step 3: Cross multiply
    2,442.61x = 3,370.71 × 1,447.29
  4. Step 4: Simplify right side
    2,442.61x = 4,878,409.78
  5. Step 5: Solve for x
    x = 4,878,409.78/2,442.61
  6. Step 6: Final answer
    x = 1,997.22

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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.