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Finding the Fourth Proportional to 2,065.71, 3,098.75 and 584.94

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Solution

The fourth proportional to 2,065.71, 3,098.75 and 584.94 is: 877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.71 : 3,098.75 = 584.94 : x
  2. Step 2: Convert to fraction form
    2,065.71/3,098.75 = 584.94/x
  3. Step 3: Cross multiply
    2,065.71x = 3,098.75 × 584.94
  4. Step 4: Simplify right side
    2,065.71x = 1,812,579.90
  5. Step 5: Solve for x
    x = 1,812,579.90/2,065.71
  6. Step 6: Final answer
    x = 877.46

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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.