Home / 3,603.52-4,975.81-3,420.06

Finding the Fourth Proportional to 3,603.52, 4,975.81 and 3,420.06

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Solution

The fourth proportional to 3,603.52, 4,975.81 and 3,420.06 is: 4,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.52 : 4,975.81 = 3,420.06 : x
  2. Step 2: Convert to fraction form
    3,603.52/4,975.81 = 3,420.06/x
  3. Step 3: Cross multiply
    3,603.52x = 4,975.81 × 3,420.06
  4. Step 4: Simplify right side
    3,603.52x = 17,017,560.78
  5. Step 5: Solve for x
    x = 17,017,560.78/3,603.52
  6. Step 6: Final answer
    x = 4,722.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.