Home / 3,777.36-5,211.30-2,784.99

Finding the Fourth Proportional to 3,777.36, 5,211.30 and 2,784.99

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Solution

The fourth proportional to 3,777.36, 5,211.30 and 2,784.99 is: 3,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.36 : 5,211.30 = 2,784.99 : x
  2. Step 2: Convert to fraction form
    3,777.36/5,211.30 = 2,784.99/x
  3. Step 3: Cross multiply
    3,777.36x = 5,211.30 × 2,784.99
  4. Step 4: Simplify right side
    3,777.36x = 14,513,418.39
  5. Step 5: Solve for x
    x = 14,513,418.39/3,777.36
  6. Step 6: Final answer
    x = 3,842.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.