Home / 2,039.70-2,814.96-1,155.66

Finding the Fourth Proportional to 2,039.70, 2,814.96 and 1,155.66

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Solution

The fourth proportional to 2,039.70, 2,814.96 and 1,155.66 is: 1,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.70 : 2,814.96 = 1,155.66 : x
  2. Step 2: Convert to fraction form
    2,039.70/2,814.96 = 1,155.66/x
  3. Step 3: Cross multiply
    2,039.70x = 2,814.96 × 1,155.66
  4. Step 4: Simplify right side
    2,039.70x = 3,253,136.67
  5. Step 5: Solve for x
    x = 3,253,136.67/2,039.70
  6. Step 6: Final answer
    x = 1,594.91

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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.