Home / 3,616.61-5,420.59-1,862.45

Finding the Fourth Proportional to 3,616.61, 5,420.59 and 1,862.45

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Solution

The fourth proportional to 3,616.61, 5,420.59 and 1,862.45 is: 2,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.61 : 5,420.59 = 1,862.45 : x
  2. Step 2: Convert to fraction form
    3,616.61/5,420.59 = 1,862.45/x
  3. Step 3: Cross multiply
    3,616.61x = 5,420.59 × 1,862.45
  4. Step 4: Simplify right side
    3,616.61x = 10,095,542.59
  5. Step 5: Solve for x
    x = 10,095,542.59/3,616.61
  6. Step 6: Final answer
    x = 2,791.43

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1.5x scale

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.