Home / 2,616.24-3,925.26-1,316.64

Finding the Fourth Proportional to 2,616.24, 3,925.26 and 1,316.64

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Solution

The fourth proportional to 2,616.24, 3,925.26 and 1,316.64 is: 1,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.24 : 3,925.26 = 1,316.64 : x
  2. Step 2: Convert to fraction form
    2,616.24/3,925.26 = 1,316.64/x
  3. Step 3: Cross multiply
    2,616.24x = 3,925.26 × 1,316.64
  4. Step 4: Simplify right side
    2,616.24x = 5,168,154.33
  5. Step 5: Solve for x
    x = 5,168,154.33/2,616.24
  6. Step 6: Final answer
    x = 1,975.41

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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.