Home / 3,430.44-5,145.60-1,350.12

Finding the Fourth Proportional to 3,430.44, 5,145.60 and 1,350.12

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Solution

The fourth proportional to 3,430.44, 5,145.60 and 1,350.12 is: 2,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.44 : 5,145.60 = 1,350.12 : x
  2. Step 2: Convert to fraction form
    3,430.44/5,145.60 = 1,350.12/x
  3. Step 3: Cross multiply
    3,430.44x = 5,145.60 × 1,350.12
  4. Step 4: Simplify right side
    3,430.44x = 6,947,177.47
  5. Step 5: Solve for x
    x = 6,947,177.47/3,430.44
  6. Step 6: Final answer
    x = 2,025.16

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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.