Home / 3,154.24-4,350.88-2,268.64

Finding the Fourth Proportional to 3,154.24, 4,350.88 and 2,268.64

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Solution

The fourth proportional to 3,154.24, 4,350.88 and 2,268.64 is: 3,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.24 : 4,350.88 = 2,268.64 : x
  2. Step 2: Convert to fraction form
    3,154.24/4,350.88 = 2,268.64/x
  3. Step 3: Cross multiply
    3,154.24x = 4,350.88 × 2,268.64
  4. Step 4: Simplify right side
    3,154.24x = 9,870,580.40
  5. Step 5: Solve for x
    x = 9,870,580.40/3,154.24
  6. Step 6: Final answer
    x = 3,129.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.