Home / 3,674.48-5,510.40-1,208.76

Finding the Fourth Proportional to 3,674.48, 5,510.40 and 1,208.76

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Solution

The fourth proportional to 3,674.48, 5,510.40 and 1,208.76 is: 1,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.48 : 5,510.40 = 1,208.76 : x
  2. Step 2: Convert to fraction form
    3,674.48/5,510.40 = 1,208.76/x
  3. Step 3: Cross multiply
    3,674.48x = 5,510.40 × 1,208.76
  4. Step 4: Simplify right side
    3,674.48x = 6,660,751.10
  5. Step 5: Solve for x
    x = 6,660,751.10/3,674.48
  6. Step 6: Final answer
    x = 1,812.71

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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.