Home / 2,922.47-4,385.07-1,690.92

Finding the Fourth Proportional to 2,922.47, 4,385.07 and 1,690.92

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Solution

The fourth proportional to 2,922.47, 4,385.07 and 1,690.92 is: 2,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.47 : 4,385.07 = 1,690.92 : x
  2. Step 2: Convert to fraction form
    2,922.47/4,385.07 = 1,690.92/x
  3. Step 3: Cross multiply
    2,922.47x = 4,385.07 × 1,690.92
  4. Step 4: Simplify right side
    2,922.47x = 7,414,797.36
  5. Step 5: Solve for x
    x = 7,414,797.36/2,922.47
  6. Step 6: Final answer
    x = 2,537.17

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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.