Home / 2,653.83-3,974.67-1,557.90

Finding the Fourth Proportional to 2,653.83, 3,974.67 and 1,557.90

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Solution

The fourth proportional to 2,653.83, 3,974.67 and 1,557.90 is: 2,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.83 : 3,974.67 = 1,557.90 : x
  2. Step 2: Convert to fraction form
    2,653.83/3,974.67 = 1,557.90/x
  3. Step 3: Cross multiply
    2,653.83x = 3,974.67 × 1,557.90
  4. Step 4: Simplify right side
    2,653.83x = 6,192,138.39
  5. Step 5: Solve for x
    x = 6,192,138.39/2,653.83
  6. Step 6: Final answer
    x = 2,333.28

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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.