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Finding the Fourth Proportional to 2,263.48, 3,395.11 and 802.84

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Solution

The fourth proportional to 2,263.48, 3,395.11 and 802.84 is: 1,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.48 : 3,395.11 = 802.84 : x
  2. Step 2: Convert to fraction form
    2,263.48/3,395.11 = 802.84/x
  3. Step 3: Cross multiply
    2,263.48x = 3,395.11 × 802.84
  4. Step 4: Simplify right side
    2,263.48x = 2,725,726.10
  5. Step 5: Solve for x
    x = 2,725,726.10/2,263.48
  6. Step 6: Final answer
    x = 1,204.22

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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.