Home / 2,746.20-3,787.45-2,116.02

Finding the Fourth Proportional to 2,746.20, 3,787.45 and 2,116.02

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Solution

The fourth proportional to 2,746.20, 3,787.45 and 2,116.02 is: 2,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.20 : 3,787.45 = 2,116.02 : x
  2. Step 2: Convert to fraction form
    2,746.20/3,787.45 = 2,116.02/x
  3. Step 3: Cross multiply
    2,746.20x = 3,787.45 × 2,116.02
  4. Step 4: Simplify right side
    2,746.20x = 8,014,314.66
  5. Step 5: Solve for x
    x = 8,014,314.66/2,746.20
  6. Step 6: Final answer
    x = 2,918.33

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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.