Home / 2,321.57-3,482.18-1,089.26

Finding the Fourth Proportional to 2,321.57, 3,482.18 and 1,089.26

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Solution

The fourth proportional to 2,321.57, 3,482.18 and 1,089.26 is: 1,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.57 : 3,482.18 = 1,089.26 : x
  2. Step 2: Convert to fraction form
    2,321.57/3,482.18 = 1,089.26/x
  3. Step 3: Cross multiply
    2,321.57x = 3,482.18 × 1,089.26
  4. Step 4: Simplify right side
    2,321.57x = 3,792,981.98
  5. Step 5: Solve for x
    x = 3,792,981.98/2,321.57
  6. Step 6: Final answer
    x = 1,633.80

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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.