Home / 3,586.61-5,382.38-1,395.36

Finding the Fourth Proportional to 3,586.61, 5,382.38 and 1,395.36

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Solution

The fourth proportional to 3,586.61, 5,382.38 and 1,395.36 is: 2,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.61 : 5,382.38 = 1,395.36 : x
  2. Step 2: Convert to fraction form
    3,586.61/5,382.38 = 1,395.36/x
  3. Step 3: Cross multiply
    3,586.61x = 5,382.38 × 1,395.36
  4. Step 4: Simplify right side
    3,586.61x = 7,510,361.25
  5. Step 5: Solve for x
    x = 7,510,361.25/3,586.61
  6. Step 6: Final answer
    x = 2,094.00

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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.