Home / 3,515.82-4,821.02-3,392.16

Finding the Fourth Proportional to 3,515.82, 4,821.02 and 3,392.16

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Solution

The fourth proportional to 3,515.82, 4,821.02 and 3,392.16 is: 4,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.82 : 4,821.02 = 3,392.16 : x
  2. Step 2: Convert to fraction form
    3,515.82/4,821.02 = 3,392.16/x
  3. Step 3: Cross multiply
    3,515.82x = 4,821.02 × 3,392.16
  4. Step 4: Simplify right side
    3,515.82x = 16,353,654.24
  5. Step 5: Solve for x
    x = 16,353,654.24/3,515.82
  6. Step 6: Final answer
    x = 4,651.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.