Home / 3,134.32-4,325.22-1,717.90

Finding the Fourth Proportional to 3,134.32, 4,325.22 and 1,717.90

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Solution

The fourth proportional to 3,134.32, 4,325.22 and 1,717.90 is: 2,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.32 : 4,325.22 = 1,717.90 : x
  2. Step 2: Convert to fraction form
    3,134.32/4,325.22 = 1,717.90/x
  3. Step 3: Cross multiply
    3,134.32x = 4,325.22 × 1,717.90
  4. Step 4: Simplify right side
    3,134.32x = 7,430,295.44
  5. Step 5: Solve for x
    x = 7,430,295.44/3,134.32
  6. Step 6: Final answer
    x = 2,370.62

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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.