Home / 2,628.53-3,923.56-2,317.16

Finding the Fourth Proportional to 2,628.53, 3,923.56 and 2,317.16

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Solution

The fourth proportional to 2,628.53, 3,923.56 and 2,317.16 is: 3,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.53 : 3,923.56 = 2,317.16 : x
  2. Step 2: Convert to fraction form
    2,628.53/3,923.56 = 2,317.16/x
  3. Step 3: Cross multiply
    2,628.53x = 3,923.56 × 2,317.16
  4. Step 4: Simplify right side
    2,628.53x = 9,091,516.29
  5. Step 5: Solve for x
    x = 9,091,516.29/2,628.53
  6. Step 6: Final answer
    x = 3,458.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.