Home / 3,084.40-4,255.04-2,730.68

Finding the Fourth Proportional to 3,084.40, 4,255.04 and 2,730.68

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Solution

The fourth proportional to 3,084.40, 4,255.04 and 2,730.68 is: 3,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.40 : 4,255.04 = 2,730.68 : x
  2. Step 2: Convert to fraction form
    3,084.40/4,255.04 = 2,730.68/x
  3. Step 3: Cross multiply
    3,084.40x = 4,255.04 × 2,730.68
  4. Step 4: Simplify right side
    3,084.40x = 11,619,152.63
  5. Step 5: Solve for x
    x = 11,619,152.63/3,084.40
  6. Step 6: Final answer
    x = 3,767.07

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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.