Home / 2,291.76-3,444.84-2,176.56

Finding the Fourth Proportional to 2,291.76, 3,444.84 and 2,176.56

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Solution

The fourth proportional to 2,291.76, 3,444.84 and 2,176.56 is: 3,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.76 : 3,444.84 = 2,176.56 : x
  2. Step 2: Convert to fraction form
    2,291.76/3,444.84 = 2,176.56/x
  3. Step 3: Cross multiply
    2,291.76x = 3,444.84 × 2,176.56
  4. Step 4: Simplify right side
    2,291.76x = 7,497,900.95
  5. Step 5: Solve for x
    x = 7,497,900.95/2,291.76
  6. Step 6: Final answer
    x = 3,271.68

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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.