Home / 3,325.50-4,987.86-2,089.26

Finding the Fourth Proportional to 3,325.50, 4,987.86 and 2,089.26

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Solution

The fourth proportional to 3,325.50, 4,987.86 and 2,089.26 is: 3,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.50 : 4,987.86 = 2,089.26 : x
  2. Step 2: Convert to fraction form
    3,325.50/4,987.86 = 2,089.26/x
  3. Step 3: Cross multiply
    3,325.50x = 4,987.86 × 2,089.26
  4. Step 4: Simplify right side
    3,325.50x = 10,420,936.38
  5. Step 5: Solve for x
    x = 10,420,936.38/3,325.50
  6. Step 6: Final answer
    x = 3,133.64

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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.