Home / 2,929.79-4,043.97-2,045.88

Finding the Fourth Proportional to 2,929.79, 4,043.97 and 2,045.88

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Solution

The fourth proportional to 2,929.79, 4,043.97 and 2,045.88 is: 2,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.79 : 4,043.97 = 2,045.88 : x
  2. Step 2: Convert to fraction form
    2,929.79/4,043.97 = 2,045.88/x
  3. Step 3: Cross multiply
    2,929.79x = 4,043.97 × 2,045.88
  4. Step 4: Simplify right side
    2,929.79x = 8,273,477.34
  5. Step 5: Solve for x
    x = 8,273,477.34/2,929.79
  6. Step 6: Final answer
    x = 2,823.92

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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.