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Finding the Fourth Proportional to 2,023.79, 3,019.95 and 1,816.97

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Solution

The fourth proportional to 2,023.79, 3,019.95 and 1,816.97 is: 2,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.79 : 3,019.95 = 1,816.97 : x
  2. Step 2: Convert to fraction form
    2,023.79/3,019.95 = 1,816.97/x
  3. Step 3: Cross multiply
    2,023.79x = 3,019.95 × 1,816.97
  4. Step 4: Simplify right side
    2,023.79x = 5,487,143.45
  5. Step 5: Solve for x
    x = 5,487,143.45/2,023.79
  6. Step 6: Final answer
    x = 2,711.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.