Home / 1,844.46-2,545.32-1,047.78

Finding the Fourth Proportional to 1,844.46, 2,545.32 and 1,047.78

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Solution

The fourth proportional to 1,844.46, 2,545.32 and 1,047.78 is: 1,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.46 : 2,545.32 = 1,047.78 : x
  2. Step 2: Convert to fraction form
    1,844.46/2,545.32 = 1,047.78/x
  3. Step 3: Cross multiply
    1,844.46x = 2,545.32 × 1,047.78
  4. Step 4: Simplify right side
    1,844.46x = 2,666,935.39
  5. Step 5: Solve for x
    x = 2,666,935.39/1,844.46
  6. Step 6: Final answer
    x = 1,445.92

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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.