Home / 2,039.76-2,814.82-1,108.26

Finding the Fourth Proportional to 2,039.76, 2,814.82 and 1,108.26

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Solution

The fourth proportional to 2,039.76, 2,814.82 and 1,108.26 is: 1,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.76 : 2,814.82 = 1,108.26 : x
  2. Step 2: Convert to fraction form
    2,039.76/2,814.82 = 1,108.26/x
  3. Step 3: Cross multiply
    2,039.76x = 2,814.82 × 1,108.26
  4. Step 4: Simplify right side
    2,039.76x = 3,119,552.41
  5. Step 5: Solve for x
    x = 3,119,552.41/2,039.76
  6. Step 6: Final answer
    x = 1,529.37

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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.