Home / 2,545.94-3,818.64-1,243.46

Finding the Fourth Proportional to 2,545.94, 3,818.64 and 1,243.46

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Solution

The fourth proportional to 2,545.94, 3,818.64 and 1,243.46 is: 1,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.94 : 3,818.64 = 1,243.46 : x
  2. Step 2: Convert to fraction form
    2,545.94/3,818.64 = 1,243.46/x
  3. Step 3: Cross multiply
    2,545.94x = 3,818.64 × 1,243.46
  4. Step 4: Simplify right side
    2,545.94x = 4,748,326.09
  5. Step 5: Solve for x
    x = 4,748,326.09/2,545.94
  6. Step 6: Final answer
    x = 1,865.06

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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.