Home / 2,320.73-3,202.61-1,376.98

Finding the Fourth Proportional to 2,320.73, 3,202.61 and 1,376.98

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Solution

The fourth proportional to 2,320.73, 3,202.61 and 1,376.98 is: 1,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.73 : 3,202.61 = 1,376.98 : x
  2. Step 2: Convert to fraction form
    2,320.73/3,202.61 = 1,376.98/x
  3. Step 3: Cross multiply
    2,320.73x = 3,202.61 × 1,376.98
  4. Step 4: Simplify right side
    2,320.73x = 4,409,907.02
  5. Step 5: Solve for x
    x = 4,409,907.02/2,320.73
  6. Step 6: Final answer
    x = 1,900.23

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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.