Home / 3,508.81-5,262.17-2,890.98

Finding the Fourth Proportional to 3,508.81, 5,262.17 and 2,890.98

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Solution

The fourth proportional to 3,508.81, 5,262.17 and 2,890.98 is: 4,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.81 : 5,262.17 = 2,890.98 : x
  2. Step 2: Convert to fraction form
    3,508.81/5,262.17 = 2,890.98/x
  3. Step 3: Cross multiply
    3,508.81x = 5,262.17 × 2,890.98
  4. Step 4: Simplify right side
    3,508.81x = 15,212,835.45
  5. Step 5: Solve for x
    x = 15,212,835.45/3,508.81
  6. Step 6: Final answer
    x = 4,335.61

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1.5x scale

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.