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Finding the Fourth Proportional to 2,296.60, 3,446.25 and 910.07

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Solution

The fourth proportional to 2,296.60, 3,446.25 and 910.07 is: 1,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.60 : 3,446.25 = 910.07 : x
  2. Step 2: Convert to fraction form
    2,296.60/3,446.25 = 910.07/x
  3. Step 3: Cross multiply
    2,296.60x = 3,446.25 × 910.07
  4. Step 4: Simplify right side
    2,296.60x = 3,136,328.74
  5. Step 5: Solve for x
    x = 3,136,328.74/2,296.60
  6. Step 6: Final answer
    x = 1,365.64

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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.