Home / 2,635.20-3,948.48-2,056.32

Finding the Fourth Proportional to 2,635.20, 3,948.48 and 2,056.32

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Solution

The fourth proportional to 2,635.20, 3,948.48 and 2,056.32 is: 3,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.20 : 3,948.48 = 2,056.32 : x
  2. Step 2: Convert to fraction form
    2,635.20/3,948.48 = 2,056.32/x
  3. Step 3: Cross multiply
    2,635.20x = 3,948.48 × 2,056.32
  4. Step 4: Simplify right side
    2,635.20x = 8,119,338.39
  5. Step 5: Solve for x
    x = 8,119,338.39/2,635.20
  6. Step 6: Final answer
    x = 3,081.11

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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.