Home / 1,924.17-2,881.68-1,228.65

Finding the Fourth Proportional to 1,924.17, 2,881.68 and 1,228.65

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Solution

The fourth proportional to 1,924.17, 2,881.68 and 1,228.65 is: 1,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.17 : 2,881.68 = 1,228.65 : x
  2. Step 2: Convert to fraction form
    1,924.17/2,881.68 = 1,228.65/x
  3. Step 3: Cross multiply
    1,924.17x = 2,881.68 × 1,228.65
  4. Step 4: Simplify right side
    1,924.17x = 3,540,576.13
  5. Step 5: Solve for x
    x = 3,540,576.13/1,924.17
  6. Step 6: Final answer
    x = 1,840.05

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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.