Home / 3,207.16-4,424.58-1,809.64

Finding the Fourth Proportional to 3,207.16, 4,424.58 and 1,809.64

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Solution

The fourth proportional to 3,207.16, 4,424.58 and 1,809.64 is: 2,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.16 : 4,424.58 = 1,809.64 : x
  2. Step 2: Convert to fraction form
    3,207.16/4,424.58 = 1,809.64/x
  3. Step 3: Cross multiply
    3,207.16x = 4,424.58 × 1,809.64
  4. Step 4: Simplify right side
    3,207.16x = 8,006,896.95
  5. Step 5: Solve for x
    x = 8,006,896.95/3,207.16
  6. Step 6: Final answer
    x = 2,496.57

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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.