Home / 3,376.09-5,066.70-1,186.66

Finding the Fourth Proportional to 3,376.09, 5,066.70 and 1,186.66

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Solution

The fourth proportional to 3,376.09, 5,066.70 and 1,186.66 is: 1,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.09 : 5,066.70 = 1,186.66 : x
  2. Step 2: Convert to fraction form
    3,376.09/5,066.70 = 1,186.66/x
  3. Step 3: Cross multiply
    3,376.09x = 5,066.70 × 1,186.66
  4. Step 4: Simplify right side
    3,376.09x = 6,012,437.56
  5. Step 5: Solve for x
    x = 6,012,437.56/3,376.09
  6. Step 6: Final answer
    x = 1,780.89

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1.5x scale

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.