Home / 3,603.85-5,405.67-1,006.79

Finding the Fourth Proportional to 3,603.85, 5,405.67 and 1,006.79

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Solution

The fourth proportional to 3,603.85, 5,405.67 and 1,006.79 is: 1,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.85 : 5,405.67 = 1,006.79 : x
  2. Step 2: Convert to fraction form
    3,603.85/5,405.67 = 1,006.79/x
  3. Step 3: Cross multiply
    3,603.85x = 5,405.67 × 1,006.79
  4. Step 4: Simplify right side
    3,603.85x = 5,442,347.47
  5. Step 5: Solve for x
    x = 5,442,347.47/3,603.85
  6. Step 6: Final answer
    x = 1,510.15

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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.