Home / 3,285.12-4,891.02-3,239.16

Finding the Fourth Proportional to 3,285.12, 4,891.02 and 3,239.16

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Solution

The fourth proportional to 3,285.12, 4,891.02 and 3,239.16 is: 4,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.12 : 4,891.02 = 3,239.16 : x
  2. Step 2: Convert to fraction form
    3,285.12/4,891.02 = 3,239.16/x
  3. Step 3: Cross multiply
    3,285.12x = 4,891.02 × 3,239.16
  4. Step 4: Simplify right side
    3,285.12x = 15,842,796.34
  5. Step 5: Solve for x
    x = 15,842,796.34/3,285.12
  6. Step 6: Final answer
    x = 4,822.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.