Home / 3,781.49-5,672.23-1,184.63

Finding the Fourth Proportional to 3,781.49, 5,672.23 and 1,184.63

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Solution

The fourth proportional to 3,781.49, 5,672.23 and 1,184.63 is: 1,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.49 : 5,672.23 = 1,184.63 : x
  2. Step 2: Convert to fraction form
    3,781.49/5,672.23 = 1,184.63/x
  3. Step 3: Cross multiply
    3,781.49x = 5,672.23 × 1,184.63
  4. Step 4: Simplify right side
    3,781.49x = 6,719,465.46
  5. Step 5: Solve for x
    x = 6,719,465.46/3,781.49
  6. Step 6: Final answer
    x = 1,776.94

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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.