Home / 2,083.38-3,120.81-1,560.93

Finding the Fourth Proportional to 2,083.38, 3,120.81 and 1,560.93

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Solution

The fourth proportional to 2,083.38, 3,120.81 and 1,560.93 is: 2,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.38 : 3,120.81 = 1,560.93 : x
  2. Step 2: Convert to fraction form
    2,083.38/3,120.81 = 1,560.93/x
  3. Step 3: Cross multiply
    2,083.38x = 3,120.81 × 1,560.93
  4. Step 4: Simplify right side
    2,083.38x = 4,871,365.95
  5. Step 5: Solve for x
    x = 4,871,365.95/2,083.38
  6. Step 6: Final answer
    x = 2,338.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.