Home / 2,231.18-3,346.39-587.74

Finding the Fourth Proportional to 2,231.18, 3,346.39 and 587.74

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Solution

The fourth proportional to 2,231.18, 3,346.39 and 587.74 is: 881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.18 : 3,346.39 = 587.74 : x
  2. Step 2: Convert to fraction form
    2,231.18/3,346.39 = 587.74/x
  3. Step 3: Cross multiply
    2,231.18x = 3,346.39 × 587.74
  4. Step 4: Simplify right side
    2,231.18x = 1,966,804.25
  5. Step 5: Solve for x
    x = 1,966,804.25/2,231.18
  6. Step 6: Final answer
    x = 881.51

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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.