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Finding the Fourth Proportional to 1,350.08, 2,023.04 and 910.40

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Solution

The fourth proportional to 1,350.08, 2,023.04 and 910.40 is: 1,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.08 : 2,023.04 = 910.40 : x
  2. Step 2: Convert to fraction form
    1,350.08/2,023.04 = 910.40/x
  3. Step 3: Cross multiply
    1,350.08x = 2,023.04 × 910.40
  4. Step 4: Simplify right side
    1,350.08x = 1,841,775.62
  5. Step 5: Solve for x
    x = 1,841,775.62/1,350.08
  6. Step 6: Final answer
    x = 1,364.20

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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.