Home / 3,541.59-5,309.15-1,809.81

Finding the Fourth Proportional to 3,541.59, 5,309.15 and 1,809.81

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Solution

The fourth proportional to 3,541.59, 5,309.15 and 1,809.81 is: 2,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.59 : 5,309.15 = 1,809.81 : x
  2. Step 2: Convert to fraction form
    3,541.59/5,309.15 = 1,809.81/x
  3. Step 3: Cross multiply
    3,541.59x = 5,309.15 × 1,809.81
  4. Step 4: Simplify right side
    3,541.59x = 9,608,543.71
  5. Step 5: Solve for x
    x = 9,608,543.71/3,541.59
  6. Step 6: Final answer
    x = 2,713.06

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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.