Home / 3,670.18-5,508.51-1,940.02

Finding the Fourth Proportional to 3,670.18, 5,508.51 and 1,940.02

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Solution

The fourth proportional to 3,670.18, 5,508.51 and 1,940.02 is: 2,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.18 : 5,508.51 = 1,940.02 : x
  2. Step 2: Convert to fraction form
    3,670.18/5,508.51 = 1,940.02/x
  3. Step 3: Cross multiply
    3,670.18x = 5,508.51 × 1,940.02
  4. Step 4: Simplify right side
    3,670.18x = 10,686,619.57
  5. Step 5: Solve for x
    x = 10,686,619.57/3,670.18
  6. Step 6: Final answer
    x = 2,911.74

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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.