Home / 3,406.06-4,689.38-2,356.30

Finding the Fourth Proportional to 3,406.06, 4,689.38 and 2,356.30

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Solution

The fourth proportional to 3,406.06, 4,689.38 and 2,356.30 is: 3,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.06 : 4,689.38 = 2,356.30 : x
  2. Step 2: Convert to fraction form
    3,406.06/4,689.38 = 2,356.30/x
  3. Step 3: Cross multiply
    3,406.06x = 4,689.38 × 2,356.30
  4. Step 4: Simplify right side
    3,406.06x = 11,049,586.09
  5. Step 5: Solve for x
    x = 11,049,586.09/3,406.06
  6. Step 6: Final answer
    x = 3,244.10

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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.