Home / 3,663.06-5,491.36-1,904.35

Finding the Fourth Proportional to 3,663.06, 5,491.36 and 1,904.35

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Solution

The fourth proportional to 3,663.06, 5,491.36 and 1,904.35 is: 2,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.06 : 5,491.36 = 1,904.35 : x
  2. Step 2: Convert to fraction form
    3,663.06/5,491.36 = 1,904.35/x
  3. Step 3: Cross multiply
    3,663.06x = 5,491.36 × 1,904.35
  4. Step 4: Simplify right side
    3,663.06x = 10,457,471.42
  5. Step 5: Solve for x
    x = 10,457,471.42/3,663.06
  6. Step 6: Final answer
    x = 2,854.85

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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.