Home / 2,905.84-4,010.08-1,647.17

Finding the Fourth Proportional to 2,905.84, 4,010.08 and 1,647.17

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Solution

The fourth proportional to 2,905.84, 4,010.08 and 1,647.17 is: 2,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.84 : 4,010.08 = 1,647.17 : x
  2. Step 2: Convert to fraction form
    2,905.84/4,010.08 = 1,647.17/x
  3. Step 3: Cross multiply
    2,905.84x = 4,010.08 × 1,647.17
  4. Step 4: Simplify right side
    2,905.84x = 6,605,283.47
  5. Step 5: Solve for x
    x = 6,605,283.47/2,905.84
  6. Step 6: Final answer
    x = 2,273.11

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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.