Home / 2,409.85-3,616.83-1,718.21

Finding the Fourth Proportional to 2,409.85, 3,616.83 and 1,718.21

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Solution

The fourth proportional to 2,409.85, 3,616.83 and 1,718.21 is: 2,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.85 : 3,616.83 = 1,718.21 : x
  2. Step 2: Convert to fraction form
    2,409.85/3,616.83 = 1,718.21/x
  3. Step 3: Cross multiply
    2,409.85x = 3,616.83 × 1,718.21
  4. Step 4: Simplify right side
    2,409.85x = 6,214,482.52
  5. Step 5: Solve for x
    x = 6,214,482.52/2,409.85
  6. Step 6: Final answer
    x = 2,578.79

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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.