Home / 2,910.17-4,015.91-1,583.89

Finding the Fourth Proportional to 2,910.17, 4,015.91 and 1,583.89

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Solution

The fourth proportional to 2,910.17, 4,015.91 and 1,583.89 is: 2,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.17 : 4,015.91 = 1,583.89 : x
  2. Step 2: Convert to fraction form
    2,910.17/4,015.91 = 1,583.89/x
  3. Step 3: Cross multiply
    2,910.17x = 4,015.91 × 1,583.89
  4. Step 4: Simplify right side
    2,910.17x = 6,360,753.61
  5. Step 5: Solve for x
    x = 6,360,753.61/2,910.17
  6. Step 6: Final answer
    x = 2,185.70

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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.