Home / 2,991.28-4,127.13-1,795.94

Finding the Fourth Proportional to 2,991.28, 4,127.13 and 1,795.94

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Solution

The fourth proportional to 2,991.28, 4,127.13 and 1,795.94 is: 2,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.28 : 4,127.13 = 1,795.94 : x
  2. Step 2: Convert to fraction form
    2,991.28/4,127.13 = 1,795.94/x
  3. Step 3: Cross multiply
    2,991.28x = 4,127.13 × 1,795.94
  4. Step 4: Simplify right side
    2,991.28x = 7,412,088.17
  5. Step 5: Solve for x
    x = 7,412,088.17/2,991.28
  6. Step 6: Final answer
    x = 2,477.90

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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.