Home / 3,774.69-5,661.95-1,177.56

Finding the Fourth Proportional to 3,774.69, 5,661.95 and 1,177.56

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Solution

The fourth proportional to 3,774.69, 5,661.95 and 1,177.56 is: 1,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.69 : 5,661.95 = 1,177.56 : x
  2. Step 2: Convert to fraction form
    3,774.69/5,661.95 = 1,177.56/x
  3. Step 3: Cross multiply
    3,774.69x = 5,661.95 × 1,177.56
  4. Step 4: Simplify right side
    3,774.69x = 6,667,279.95
  5. Step 5: Solve for x
    x = 6,667,279.95/3,774.69
  6. Step 6: Final answer
    x = 1,766.31

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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.