Home / 2,039.39-3,040.79-2,002.49

Finding the Fourth Proportional to 2,039.39, 3,040.79 and 2,002.49

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Solution

The fourth proportional to 2,039.39, 3,040.79 and 2,002.49 is: 2,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.39 : 3,040.79 = 2,002.49 : x
  2. Step 2: Convert to fraction form
    2,039.39/3,040.79 = 2,002.49/x
  3. Step 3: Cross multiply
    2,039.39x = 3,040.79 × 2,002.49
  4. Step 4: Simplify right side
    2,039.39x = 6,089,151.57
  5. Step 5: Solve for x
    x = 6,089,151.57/2,039.39
  6. Step 6: Final answer
    x = 2,985.77

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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.