Home / 3,446.76-5,170.20-1,138.32

Finding the Fourth Proportional to 3,446.76, 5,170.20 and 1,138.32

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Solution

The fourth proportional to 3,446.76, 5,170.20 and 1,138.32 is: 1,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.76 : 5,170.20 = 1,138.32 : x
  2. Step 2: Convert to fraction form
    3,446.76/5,170.20 = 1,138.32/x
  3. Step 3: Cross multiply
    3,446.76x = 5,170.20 × 1,138.32
  4. Step 4: Simplify right side
    3,446.76x = 5,885,342.06
  5. Step 5: Solve for x
    x = 5,885,342.06/3,446.76
  6. Step 6: Final answer
    x = 1,707.50

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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.