Home / 3,440.71-5,161.08-1,360.63

Finding the Fourth Proportional to 3,440.71, 5,161.08 and 1,360.63

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Solution

The fourth proportional to 3,440.71, 5,161.08 and 1,360.63 is: 2,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.71 : 5,161.08 = 1,360.63 : x
  2. Step 2: Convert to fraction form
    3,440.71/5,161.08 = 1,360.63/x
  3. Step 3: Cross multiply
    3,440.71x = 5,161.08 × 1,360.63
  4. Step 4: Simplify right side
    3,440.71x = 7,022,320.28
  5. Step 5: Solve for x
    x = 7,022,320.28/3,440.71
  6. Step 6: Final answer
    x = 2,040.95

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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.