Home / 3,606.08-5,409.20-1,657.76

Finding the Fourth Proportional to 3,606.08, 5,409.20 and 1,657.76

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Solution

The fourth proportional to 3,606.08, 5,409.20 and 1,657.76 is: 2,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.08 : 5,409.20 = 1,657.76 : x
  2. Step 2: Convert to fraction form
    3,606.08/5,409.20 = 1,657.76/x
  3. Step 3: Cross multiply
    3,606.08x = 5,409.20 × 1,657.76
  4. Step 4: Simplify right side
    3,606.08x = 8,967,155.39
  5. Step 5: Solve for x
    x = 8,967,155.39/3,606.08
  6. Step 6: Final answer
    x = 2,486.68

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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.