Home / 2,304.81-3,179.70-1,309.29

Finding the Fourth Proportional to 2,304.81, 3,179.70 and 1,309.29

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Solution

The fourth proportional to 2,304.81, 3,179.70 and 1,309.29 is: 1,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.81 : 3,179.70 = 1,309.29 : x
  2. Step 2: Convert to fraction form
    2,304.81/3,179.70 = 1,309.29/x
  3. Step 3: Cross multiply
    2,304.81x = 3,179.70 × 1,309.29
  4. Step 4: Simplify right side
    2,304.81x = 4,163,149.41
  5. Step 5: Solve for x
    x = 4,163,149.41/2,304.81
  6. Step 6: Final answer
    x = 1,806.29

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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.