Home / 2,320.25-3,199.76-1,849.70

Finding the Fourth Proportional to 2,320.25, 3,199.76 and 1,849.70

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Solution

The fourth proportional to 2,320.25, 3,199.76 and 1,849.70 is: 2,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.25 : 3,199.76 = 1,849.70 : x
  2. Step 2: Convert to fraction form
    2,320.25/3,199.76 = 1,849.70/x
  3. Step 3: Cross multiply
    2,320.25x = 3,199.76 × 1,849.70
  4. Step 4: Simplify right side
    2,320.25x = 5,918,596.07
  5. Step 5: Solve for x
    x = 5,918,596.07/2,320.25
  6. Step 6: Final answer
    x = 2,550.85

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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.