Home / 2,186.66-3,017.58-1,191.95

Finding the Fourth Proportional to 2,186.66, 3,017.58 and 1,191.95

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Solution

The fourth proportional to 2,186.66, 3,017.58 and 1,191.95 is: 1,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.66 : 3,017.58 = 1,191.95 : x
  2. Step 2: Convert to fraction form
    2,186.66/3,017.58 = 1,191.95/x
  3. Step 3: Cross multiply
    2,186.66x = 3,017.58 × 1,191.95
  4. Step 4: Simplify right side
    2,186.66x = 3,596,804.48
  5. Step 5: Solve for x
    x = 3,596,804.48/2,186.66
  6. Step 6: Final answer
    x = 1,644.89

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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.