Home / 3,442.61-4,750.94-2,116.74

Finding the Fourth Proportional to 3,442.61, 4,750.94 and 2,116.74

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Solution

The fourth proportional to 3,442.61, 4,750.94 and 2,116.74 is: 2,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.61 : 4,750.94 = 2,116.74 : x
  2. Step 2: Convert to fraction form
    3,442.61/4,750.94 = 2,116.74/x
  3. Step 3: Cross multiply
    3,442.61x = 4,750.94 × 2,116.74
  4. Step 4: Simplify right side
    3,442.61x = 10,056,494.15
  5. Step 5: Solve for x
    x = 10,056,494.15/3,442.61
  6. Step 6: Final answer
    x = 2,921.19

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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.