Home / 3,350.65-5,025.27-1,129.28

Finding the Fourth Proportional to 3,350.65, 5,025.27 and 1,129.28

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Solution

The fourth proportional to 3,350.65, 5,025.27 and 1,129.28 is: 1,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.65 : 5,025.27 = 1,129.28 : x
  2. Step 2: Convert to fraction form
    3,350.65/5,025.27 = 1,129.28/x
  3. Step 3: Cross multiply
    3,350.65x = 5,025.27 × 1,129.28
  4. Step 4: Simplify right side
    3,350.65x = 5,674,936.91
  5. Step 5: Solve for x
    x = 5,674,936.91/3,350.65
  6. Step 6: Final answer
    x = 1,693.68

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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.