Home / 3,503.74-5,252.45-1,280.99

Finding the Fourth Proportional to 3,503.74, 5,252.45 and 1,280.99

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Solution

The fourth proportional to 3,503.74, 5,252.45 and 1,280.99 is: 1,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.74 : 5,252.45 = 1,280.99 : x
  2. Step 2: Convert to fraction form
    3,503.74/5,252.45 = 1,280.99/x
  3. Step 3: Cross multiply
    3,503.74x = 5,252.45 × 1,280.99
  4. Step 4: Simplify right side
    3,503.74x = 6,728,327.88
  5. Step 5: Solve for x
    x = 6,728,327.88/3,503.74
  6. Step 6: Final answer
    x = 1,920.33

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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.