Home / 2,691.63-4,038.96-1,048.29

Finding the Fourth Proportional to 2,691.63, 4,038.96 and 1,048.29

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Solution

The fourth proportional to 2,691.63, 4,038.96 and 1,048.29 is: 1,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.63 : 4,038.96 = 1,048.29 : x
  2. Step 2: Convert to fraction form
    2,691.63/4,038.96 = 1,048.29/x
  3. Step 3: Cross multiply
    2,691.63x = 4,038.96 × 1,048.29
  4. Step 4: Simplify right side
    2,691.63x = 4,234,001.38
  5. Step 5: Solve for x
    x = 4,234,001.38/2,691.63
  6. Step 6: Final answer
    x = 1,573.03

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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.