Home / 3,785.08-5,679.24-1,188.24

Finding the Fourth Proportional to 3,785.08, 5,679.24 and 1,188.24

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Solution

The fourth proportional to 3,785.08, 5,679.24 and 1,188.24 is: 1,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.08 : 5,679.24 = 1,188.24 : x
  2. Step 2: Convert to fraction form
    3,785.08/5,679.24 = 1,188.24/x
  3. Step 3: Cross multiply
    3,785.08x = 5,679.24 × 1,188.24
  4. Step 4: Simplify right side
    3,785.08x = 6,748,300.14
  5. Step 5: Solve for x
    x = 6,748,300.14/3,785.08
  6. Step 6: Final answer
    x = 1,782.87

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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.