Home / 1,787.49-2,466.73-1,001.54

Finding the Fourth Proportional to 1,787.49, 2,466.73 and 1,001.54

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Solution

The fourth proportional to 1,787.49, 2,466.73 and 1,001.54 is: 1,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.49 : 2,466.73 = 1,001.54 : x
  2. Step 2: Convert to fraction form
    1,787.49/2,466.73 = 1,001.54/x
  3. Step 3: Cross multiply
    1,787.49x = 2,466.73 × 1,001.54
  4. Step 4: Simplify right side
    1,787.49x = 2,470,513.93
  5. Step 5: Solve for x
    x = 2,470,513.93/1,787.49
  6. Step 6: Final answer
    x = 1,382.12

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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.