Home / 2,922.79-4,033.54-1,663.81

Finding the Fourth Proportional to 2,922.79, 4,033.54 and 1,663.81

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Solution

The fourth proportional to 2,922.79, 4,033.54 and 1,663.81 is: 2,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.79 : 4,033.54 = 1,663.81 : x
  2. Step 2: Convert to fraction form
    2,922.79/4,033.54 = 1,663.81/x
  3. Step 3: Cross multiply
    2,922.79x = 4,033.54 × 1,663.81
  4. Step 4: Simplify right side
    2,922.79x = 6,711,044.19
  5. Step 5: Solve for x
    x = 6,711,044.19/2,922.79
  6. Step 6: Final answer
    x = 2,296.11

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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.