Home / 3,599.12-5,395.48-1,409.38

Finding the Fourth Proportional to 3,599.12, 5,395.48 and 1,409.38

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Solution

The fourth proportional to 3,599.12, 5,395.48 and 1,409.38 is: 2,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.12 : 5,395.48 = 1,409.38 : x
  2. Step 2: Convert to fraction form
    3,599.12/5,395.48 = 1,409.38/x
  3. Step 3: Cross multiply
    3,599.12x = 5,395.48 × 1,409.38
  4. Step 4: Simplify right side
    3,599.12x = 7,604,264.59
  5. Step 5: Solve for x
    x = 7,604,264.59/3,599.12
  6. Step 6: Final answer
    x = 2,112.81

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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.