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Finding the Fourth Proportional to 3,800.79, 5,701.19 and 3,036.15

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Solution

The fourth proportional to 3,800.79, 5,701.19 and 3,036.15 is: 4,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.79 : 5,701.19 = 3,036.15 : x
  2. Step 2: Convert to fraction form
    3,800.79/5,701.19 = 3,036.15/x
  3. Step 3: Cross multiply
    3,800.79x = 5,701.19 × 3,036.15
  4. Step 4: Simplify right side
    3,800.79x = 17,309,652.84
  5. Step 5: Solve for x
    x = 17,309,652.84/3,800.79
  6. Step 6: Final answer
    x = 4,554.23

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1.5x scale

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.