Home / 2,285.47-3,421.53-2,066.61

Finding the Fourth Proportional to 2,285.47, 3,421.53 and 2,066.61

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Solution

The fourth proportional to 2,285.47, 3,421.53 and 2,066.61 is: 3,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.47 : 3,421.53 = 2,066.61 : x
  2. Step 2: Convert to fraction form
    2,285.47/3,421.53 = 2,066.61/x
  3. Step 3: Cross multiply
    2,285.47x = 3,421.53 × 2,066.61
  4. Step 4: Simplify right side
    2,285.47x = 7,070,968.11
  5. Step 5: Solve for x
    x = 7,070,968.11/2,285.47
  6. Step 6: Final answer
    x = 3,093.88

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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.