Home / 3,774.40-5,660.99-1,177.34

Finding the Fourth Proportional to 3,774.40, 5,660.99 and 1,177.34

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Solution

The fourth proportional to 3,774.40, 5,660.99 and 1,177.34 is: 1,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.40 : 5,660.99 = 1,177.34 : x
  2. Step 2: Convert to fraction form
    3,774.40/5,660.99 = 1,177.34/x
  3. Step 3: Cross multiply
    3,774.40x = 5,660.99 × 1,177.34
  4. Step 4: Simplify right side
    3,774.40x = 6,664,880.19
  5. Step 5: Solve for x
    x = 6,664,880.19/3,774.40
  6. Step 6: Final answer
    x = 1,765.81

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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.