Home / 2,320.75-3,202.76-1,377.10

Finding the Fourth Proportional to 2,320.75, 3,202.76 and 1,377.10

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Solution

The fourth proportional to 2,320.75, 3,202.76 and 1,377.10 is: 1,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.75 : 3,202.76 = 1,377.10 : x
  2. Step 2: Convert to fraction form
    2,320.75/3,202.76 = 1,377.10/x
  3. Step 3: Cross multiply
    2,320.75x = 3,202.76 × 1,377.10
  4. Step 4: Simplify right side
    2,320.75x = 4,410,520.80
  5. Step 5: Solve for x
    x = 4,410,520.80/2,320.75
  6. Step 6: Final answer
    x = 1,900.47

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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.