Home / 2,653.34-3,980.68-1,558.62

Finding the Fourth Proportional to 2,653.34, 3,980.68 and 1,558.62

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Solution

The fourth proportional to 2,653.34, 3,980.68 and 1,558.62 is: 2,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.34 : 3,980.68 = 1,558.62 : x
  2. Step 2: Convert to fraction form
    2,653.34/3,980.68 = 1,558.62/x
  3. Step 3: Cross multiply
    2,653.34x = 3,980.68 × 1,558.62
  4. Step 4: Simplify right side
    2,653.34x = 6,204,363.57
  5. Step 5: Solve for x
    x = 6,204,363.57/2,653.34
  6. Step 6: Final answer
    x = 2,338.33

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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.