Home / 2,409.72-3,616.64-1,718.09

Finding the Fourth Proportional to 2,409.72, 3,616.64 and 1,718.09

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Solution

The fourth proportional to 2,409.72, 3,616.64 and 1,718.09 is: 2,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.72 : 3,616.64 = 1,718.09 : x
  2. Step 2: Convert to fraction form
    2,409.72/3,616.64 = 1,718.09/x
  3. Step 3: Cross multiply
    2,409.72x = 3,616.64 × 1,718.09
  4. Step 4: Simplify right side
    2,409.72x = 6,213,713.02
  5. Step 5: Solve for x
    x = 6,213,713.02/2,409.72
  6. Step 6: Final answer
    x = 2,578.60

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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.