Home / 3,508.73-5,263.63-1,660.85

Finding the Fourth Proportional to 3,508.73, 5,263.63 and 1,660.85

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Solution

The fourth proportional to 3,508.73, 5,263.63 and 1,660.85 is: 2,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.73 : 5,263.63 = 1,660.85 : x
  2. Step 2: Convert to fraction form
    3,508.73/5,263.63 = 1,660.85/x
  3. Step 3: Cross multiply
    3,508.73x = 5,263.63 × 1,660.85
  4. Step 4: Simplify right side
    3,508.73x = 8,742,099.89
  5. Step 5: Solve for x
    x = 8,742,099.89/3,508.73
  6. Step 6: Final answer
    x = 2,491.53

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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.