Home / 1,477.73-2,038.20-1,372.61

Finding the Fourth Proportional to 1,477.73, 2,038.20 and 1,372.61

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Solution

The fourth proportional to 1,477.73, 2,038.20 and 1,372.61 is: 1,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.73 : 2,038.20 = 1,372.61 : x
  2. Step 2: Convert to fraction form
    1,477.73/2,038.20 = 1,372.61/x
  3. Step 3: Cross multiply
    1,477.73x = 2,038.20 × 1,372.61
  4. Step 4: Simplify right side
    1,477.73x = 2,797,653.70
  5. Step 5: Solve for x
    x = 2,797,653.70/1,477.73
  6. Step 6: Final answer
    x = 1,893.21

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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.