Home / 2,616.08-3,609.44-1,685.12

Finding the Fourth Proportional to 2,616.08, 3,609.44 and 1,685.12

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Solution

The fourth proportional to 2,616.08, 3,609.44 and 1,685.12 is: 2,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.08 : 3,609.44 = 1,685.12 : x
  2. Step 2: Convert to fraction form
    2,616.08/3,609.44 = 1,685.12/x
  3. Step 3: Cross multiply
    2,616.08x = 3,609.44 × 1,685.12
  4. Step 4: Simplify right side
    2,616.08x = 6,082,339.53
  5. Step 5: Solve for x
    x = 6,082,339.53/2,616.08
  6. Step 6: Final answer
    x = 2,324.98

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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.