Home / 1,529.29-2,108.84-1,360.71

Finding the Fourth Proportional to 1,529.29, 2,108.84 and 1,360.71

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Solution

The fourth proportional to 1,529.29, 2,108.84 and 1,360.71 is: 1,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.29 : 2,108.84 = 1,360.71 : x
  2. Step 2: Convert to fraction form
    1,529.29/2,108.84 = 1,360.71/x
  3. Step 3: Cross multiply
    1,529.29x = 2,108.84 × 1,360.71
  4. Step 4: Simplify right side
    1,529.29x = 2,869,519.68
  5. Step 5: Solve for x
    x = 2,869,519.68/1,529.29
  6. Step 6: Final answer
    x = 1,876.37

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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.