Home / 2,146.29-3,213.99-1,798.71

Finding the Fourth Proportional to 2,146.29, 3,213.99 and 1,798.71

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Solution

The fourth proportional to 2,146.29, 3,213.99 and 1,798.71 is: 2,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.29 : 3,213.99 = 1,798.71 : x
  2. Step 2: Convert to fraction form
    2,146.29/3,213.99 = 1,798.71/x
  3. Step 3: Cross multiply
    2,146.29x = 3,213.99 × 1,798.71
  4. Step 4: Simplify right side
    2,146.29x = 5,781,035.95
  5. Step 5: Solve for x
    x = 5,781,035.95/2,146.29
  6. Step 6: Final answer
    x = 2,693.50

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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.