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Finding the Fourth Proportional to 2,893.47, 4,345.50 and 2,649.48

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Solution

The fourth proportional to 2,893.47, 4,345.50 and 2,649.48 is: 3,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.47 : 4,345.50 = 2,649.48 : x
  2. Step 2: Convert to fraction form
    2,893.47/4,345.50 = 2,649.48/x
  3. Step 3: Cross multiply
    2,893.47x = 4,345.50 × 2,649.48
  4. Step 4: Simplify right side
    2,893.47x = 11,513,315.34
  5. Step 5: Solve for x
    x = 11,513,315.34/2,893.47
  6. Step 6: Final answer
    x = 3,979.07

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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.