Home / 2,902.89-4,006.18-1,768.99

Finding the Fourth Proportional to 2,902.89, 4,006.18 and 1,768.99

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Solution

The fourth proportional to 2,902.89, 4,006.18 and 1,768.99 is: 2,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.89 : 4,006.18 = 1,768.99 : x
  2. Step 2: Convert to fraction form
    2,902.89/4,006.18 = 1,768.99/x
  3. Step 3: Cross multiply
    2,902.89x = 4,006.18 × 1,768.99
  4. Step 4: Simplify right side
    2,902.89x = 7,086,897.04
  5. Step 5: Solve for x
    x = 7,086,897.04/2,902.89
  6. Step 6: Final answer
    x = 2,441.33

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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.