Home / 1,995.23-2,991.34-1,377.17

Finding the Fourth Proportional to 1,995.23, 2,991.34 and 1,377.17

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Solution

The fourth proportional to 1,995.23, 2,991.34 and 1,377.17 is: 2,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.23 : 2,991.34 = 1,377.17 : x
  2. Step 2: Convert to fraction form
    1,995.23/2,991.34 = 1,377.17/x
  3. Step 3: Cross multiply
    1,995.23x = 2,991.34 × 1,377.17
  4. Step 4: Simplify right side
    1,995.23x = 4,119,583.71
  5. Step 5: Solve for x
    x = 4,119,583.71/1,995.23
  6. Step 6: Final answer
    x = 2,064.72

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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.