Home / 1,934.20-2,898.42-1,111.24

Finding the Fourth Proportional to 1,934.20, 2,898.42 and 1,111.24

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Solution

The fourth proportional to 1,934.20, 2,898.42 and 1,111.24 is: 1,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.20 : 2,898.42 = 1,111.24 : x
  2. Step 2: Convert to fraction form
    1,934.20/2,898.42 = 1,111.24/x
  3. Step 3: Cross multiply
    1,934.20x = 2,898.42 × 1,111.24
  4. Step 4: Simplify right side
    1,934.20x = 3,220,840.24
  5. Step 5: Solve for x
    x = 3,220,840.24/1,934.20
  6. Step 6: Final answer
    x = 1,665.21

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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.