Home / 3,669.94-5,071.44-2,784.16

Finding the Fourth Proportional to 3,669.94, 5,071.44 and 2,784.16

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Solution

The fourth proportional to 3,669.94, 5,071.44 and 2,784.16 is: 3,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.94 : 5,071.44 = 2,784.16 : x
  2. Step 2: Convert to fraction form
    3,669.94/5,071.44 = 2,784.16/x
  3. Step 3: Cross multiply
    3,669.94x = 5,071.44 × 2,784.16
  4. Step 4: Simplify right side
    3,669.94x = 14,119,700.39
  5. Step 5: Solve for x
    x = 14,119,700.39/3,669.94
  6. Step 6: Final answer
    x = 3,847.39

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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.