Home / 2,276.47-3,416.76-1,908.61

Finding the Fourth Proportional to 2,276.47, 3,416.76 and 1,908.61

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Solution

The fourth proportional to 2,276.47, 3,416.76 and 1,908.61 is: 2,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.47 : 3,416.76 = 1,908.61 : x
  2. Step 2: Convert to fraction form
    2,276.47/3,416.76 = 1,908.61/x
  3. Step 3: Cross multiply
    2,276.47x = 3,416.76 × 1,908.61
  4. Step 4: Simplify right side
    2,276.47x = 6,521,262.30
  5. Step 5: Solve for x
    x = 6,521,262.30/2,276.47
  6. Step 6: Final answer
    x = 2,864.64

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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.