Home / 3,599.98-5,395.65-1,290.22

Finding the Fourth Proportional to 3,599.98, 5,395.65 and 1,290.22

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Solution

The fourth proportional to 3,599.98, 5,395.65 and 1,290.22 is: 1,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.98 : 5,395.65 = 1,290.22 : x
  2. Step 2: Convert to fraction form
    3,599.98/5,395.65 = 1,290.22/x
  3. Step 3: Cross multiply
    3,599.98x = 5,395.65 × 1,290.22
  4. Step 4: Simplify right side
    3,599.98x = 6,961,575.54
  5. Step 5: Solve for x
    x = 6,961,575.54/3,599.98
  6. Step 6: Final answer
    x = 1,933.78

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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.