Home / 2,731.10-4,088.55-1,634.90

Finding the Fourth Proportional to 2,731.10, 4,088.55 and 1,634.90

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Solution

The fourth proportional to 2,731.10, 4,088.55 and 1,634.90 is: 2,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.10 : 4,088.55 = 1,634.90 : x
  2. Step 2: Convert to fraction form
    2,731.10/4,088.55 = 1,634.90/x
  3. Step 3: Cross multiply
    2,731.10x = 4,088.55 × 1,634.90
  4. Step 4: Simplify right side
    2,731.10x = 6,684,370.40
  5. Step 5: Solve for x
    x = 6,684,370.40/2,731.10
  6. Step 6: Final answer
    x = 2,447.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.