Home / 3,622.40-5,435.88-1,159.06

Finding the Fourth Proportional to 3,622.40, 5,435.88 and 1,159.06

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Solution

The fourth proportional to 3,622.40, 5,435.88 and 1,159.06 is: 1,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.40 : 5,435.88 = 1,159.06 : x
  2. Step 2: Convert to fraction form
    3,622.40/5,435.88 = 1,159.06/x
  3. Step 3: Cross multiply
    3,622.40x = 5,435.88 × 1,159.06
  4. Step 4: Simplify right side
    3,622.40x = 6,300,511.07
  5. Step 5: Solve for x
    x = 6,300,511.07/3,622.40
  6. Step 6: Final answer
    x = 1,739.32

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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.