Home / 3,039.75-4,551.72-2,603.80

Finding the Fourth Proportional to 3,039.75, 4,551.72 and 2,603.80

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Solution

The fourth proportional to 3,039.75, 4,551.72 and 2,603.80 is: 3,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.75 : 4,551.72 = 2,603.80 : x
  2. Step 2: Convert to fraction form
    3,039.75/4,551.72 = 2,603.80/x
  3. Step 3: Cross multiply
    3,039.75x = 4,551.72 × 2,603.80
  4. Step 4: Simplify right side
    3,039.75x = 11,851,768.54
  5. Step 5: Solve for x
    x = 11,851,768.54/3,039.75
  6. Step 6: Final answer
    x = 3,898.93

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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.