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Finding the Fourth Proportional to 2,023.16, 3,035.22 and 869

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Solution

The fourth proportional to 2,023.16, 3,035.22 and 869 is: 1,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.16 : 3,035.22 = 869 : x
  2. Step 2: Convert to fraction form
    2,023.16/3,035.22 = 869/x
  3. Step 3: Cross multiply
    2,023.16x = 3,035.22 × 869
  4. Step 4: Simplify right side
    2,023.16x = 2,637,606.18
  5. Step 5: Solve for x
    x = 2,637,606.18/2,023.16
  6. Step 6: Final answer
    x = 1,303.71

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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.