Home / 3,606.06-5,406.57-1,657.20

Finding the Fourth Proportional to 3,606.06, 5,406.57 and 1,657.20

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Solution

The fourth proportional to 3,606.06, 5,406.57 and 1,657.20 is: 2,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.06 : 5,406.57 = 1,657.20 : x
  2. Step 2: Convert to fraction form
    3,606.06/5,406.57 = 1,657.20/x
  3. Step 3: Cross multiply
    3,606.06x = 5,406.57 × 1,657.20
  4. Step 4: Simplify right side
    3,606.06x = 8,959,767.80
  5. Step 5: Solve for x
    x = 8,959,767.80/3,606.06
  6. Step 6: Final answer
    x = 2,484.64

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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.