Home / 3,140.03-4,708.62-1,190.85

Finding the Fourth Proportional to 3,140.03, 4,708.62 and 1,190.85

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Solution

The fourth proportional to 3,140.03, 4,708.62 and 1,190.85 is: 1,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.03 : 4,708.62 = 1,190.85 : x
  2. Step 2: Convert to fraction form
    3,140.03/4,708.62 = 1,190.85/x
  3. Step 3: Cross multiply
    3,140.03x = 4,708.62 × 1,190.85
  4. Step 4: Simplify right side
    3,140.03x = 5,607,260.13
  5. Step 5: Solve for x
    x = 5,607,260.13/3,140.03
  6. Step 6: Final answer
    x = 1,785.74

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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.