Home / 1,847.85-2,550.05-1,008.59

Finding the Fourth Proportional to 1,847.85, 2,550.05 and 1,008.59

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Solution

The fourth proportional to 1,847.85, 2,550.05 and 1,008.59 is: 1,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.85 : 2,550.05 = 1,008.59 : x
  2. Step 2: Convert to fraction form
    1,847.85/2,550.05 = 1,008.59/x
  3. Step 3: Cross multiply
    1,847.85x = 2,550.05 × 1,008.59
  4. Step 4: Simplify right side
    1,847.85x = 2,571,940.92
  5. Step 5: Solve for x
    x = 2,571,940.92/1,847.85
  6. Step 6: Final answer
    x = 1,391.86

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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.