Home / 3,285.08-4,925.58-1,615.88

Finding the Fourth Proportional to 3,285.08, 4,925.58 and 1,615.88

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Solution

The fourth proportional to 3,285.08, 4,925.58 and 1,615.88 is: 2,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.08 : 4,925.58 = 1,615.88 : x
  2. Step 2: Convert to fraction form
    3,285.08/4,925.58 = 1,615.88/x
  3. Step 3: Cross multiply
    3,285.08x = 4,925.58 × 1,615.88
  4. Step 4: Simplify right side
    3,285.08x = 7,959,146.21
  5. Step 5: Solve for x
    x = 7,959,146.21/3,285.08
  6. Step 6: Final answer
    x = 2,422.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.