Home / 1,850.13-2,761.94-1,715.13

Finding the Fourth Proportional to 1,850.13, 2,761.94 and 1,715.13

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Solution

The fourth proportional to 1,850.13, 2,761.94 and 1,715.13 is: 2,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.13 : 2,761.94 = 1,715.13 : x
  2. Step 2: Convert to fraction form
    1,850.13/2,761.94 = 1,715.13/x
  3. Step 3: Cross multiply
    1,850.13x = 2,761.94 × 1,715.13
  4. Step 4: Simplify right side
    1,850.13x = 4,737,090.44
  5. Step 5: Solve for x
    x = 4,737,090.44/1,850.13
  6. Step 6: Final answer
    x = 2,560.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.