Home / 2,661.80-3,673.32-1,527.65

Finding the Fourth Proportional to 2,661.80, 3,673.32 and 1,527.65

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Solution

The fourth proportional to 2,661.80, 3,673.32 and 1,527.65 is: 2,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.80 : 3,673.32 = 1,527.65 : x
  2. Step 2: Convert to fraction form
    2,661.80/3,673.32 = 1,527.65/x
  3. Step 3: Cross multiply
    2,661.80x = 3,673.32 × 1,527.65
  4. Step 4: Simplify right side
    2,661.80x = 5,611,536.98
  5. Step 5: Solve for x
    x = 5,611,536.98/2,661.80
  6. Step 6: Final answer
    x = 2,108.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.