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Finding the Fourth Proportional to 2,228.47, 3,342.45 and 585.14

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Solution

The fourth proportional to 2,228.47, 3,342.45 and 585.14 is: 877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.47 : 3,342.45 = 585.14 : x
  2. Step 2: Convert to fraction form
    2,228.47/3,342.45 = 585.14/x
  3. Step 3: Cross multiply
    2,228.47x = 3,342.45 × 585.14
  4. Step 4: Simplify right side
    2,228.47x = 1,955,802.18
  5. Step 5: Solve for x
    x = 1,955,802.18/2,228.47
  6. Step 6: Final answer
    x = 877.64

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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.