Home / 3,039.75-4,561.52-1,308.39

Finding the Fourth Proportional to 3,039.75, 4,561.52 and 1,308.39

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Solution

The fourth proportional to 3,039.75, 4,561.52 and 1,308.39 is: 1,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.75 : 4,561.52 = 1,308.39 : x
  2. Step 2: Convert to fraction form
    3,039.75/4,561.52 = 1,308.39/x
  3. Step 3: Cross multiply
    3,039.75x = 4,561.52 × 1,308.39
  4. Step 4: Simplify right side
    3,039.75x = 5,968,240.61
  5. Step 5: Solve for x
    x = 5,968,240.61/3,039.75
  6. Step 6: Final answer
    x = 1,963.40

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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.