Home / 3,781.49-5,670.27-1,699.71

Finding the Fourth Proportional to 3,781.49, 5,670.27 and 1,699.71

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Solution

The fourth proportional to 3,781.49, 5,670.27 and 1,699.71 is: 2,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.49 : 5,670.27 = 1,699.71 : x
  2. Step 2: Convert to fraction form
    3,781.49/5,670.27 = 1,699.71/x
  3. Step 3: Cross multiply
    3,781.49x = 5,670.27 × 1,699.71
  4. Step 4: Simplify right side
    3,781.49x = 9,637,814.62
  5. Step 5: Solve for x
    x = 9,637,814.62/3,781.49
  6. Step 6: Final answer
    x = 2,548.69

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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.