Home / 3,977.91-5,492.75-3,557.52

Finding the Fourth Proportional to 3,977.91, 5,492.75 and 3,557.52

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Solution

The fourth proportional to 3,977.91, 5,492.75 and 3,557.52 is: 4,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.91 : 5,492.75 = 3,557.52 : x
  2. Step 2: Convert to fraction form
    3,977.91/5,492.75 = 3,557.52/x
  3. Step 3: Cross multiply
    3,977.91x = 5,492.75 × 3,557.52
  4. Step 4: Simplify right side
    3,977.91x = 19,540,550.19
  5. Step 5: Solve for x
    x = 19,540,550.19/3,977.91
  6. Step 6: Final answer
    x = 4,912.27

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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.