Home / 3,630.98-5,447.01-1,683.38

Finding the Fourth Proportional to 3,630.98, 5,447.01 and 1,683.38

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Solution

The fourth proportional to 3,630.98, 5,447.01 and 1,683.38 is: 2,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.98 : 5,447.01 = 1,683.38 : x
  2. Step 2: Convert to fraction form
    3,630.98/5,447.01 = 1,683.38/x
  3. Step 3: Cross multiply
    3,630.98x = 5,447.01 × 1,683.38
  4. Step 4: Simplify right side
    3,630.98x = 9,169,387.69
  5. Step 5: Solve for x
    x = 9,169,387.69/3,630.98
  6. Step 6: Final answer
    x = 2,525.32

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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.