Home / 3,816.81-5,720.63-2,704.50

Finding the Fourth Proportional to 3,816.81, 5,720.63 and 2,704.50

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Solution

The fourth proportional to 3,816.81, 5,720.63 and 2,704.50 is: 4,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.81 : 5,720.63 = 2,704.50 : x
  2. Step 2: Convert to fraction form
    3,816.81/5,720.63 = 2,704.50/x
  3. Step 3: Cross multiply
    3,816.81x = 5,720.63 × 2,704.50
  4. Step 4: Simplify right side
    3,816.81x = 15,471,430.31
  5. Step 5: Solve for x
    x = 15,471,430.31/3,816.81
  6. Step 6: Final answer
    x = 4,053.50

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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.