Home / 3,849.48-5,307.84-3,288.24

Finding the Fourth Proportional to 3,849.48, 5,307.84 and 3,288.24

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Solution

The fourth proportional to 3,849.48, 5,307.84 and 3,288.24 is: 4,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.48 : 5,307.84 = 3,288.24 : x
  2. Step 2: Convert to fraction form
    3,849.48/5,307.84 = 3,288.24/x
  3. Step 3: Cross multiply
    3,849.48x = 5,307.84 × 3,288.24
  4. Step 4: Simplify right side
    3,849.48x = 17,453,451.80
  5. Step 5: Solve for x
    x = 17,453,451.80/3,849.48
  6. Step 6: Final answer
    x = 4,533.98

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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.