Home / 2,922.54-4,034.55-1,861.35

Finding the Fourth Proportional to 2,922.54, 4,034.55 and 1,861.35

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Solution

The fourth proportional to 2,922.54, 4,034.55 and 1,861.35 is: 2,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.54 : 4,034.55 = 1,861.35 : x
  2. Step 2: Convert to fraction form
    2,922.54/4,034.55 = 1,861.35/x
  3. Step 3: Cross multiply
    2,922.54x = 4,034.55 × 1,861.35
  4. Step 4: Simplify right side
    2,922.54x = 7,509,709.64
  5. Step 5: Solve for x
    x = 7,509,709.64/2,922.54
  6. Step 6: Final answer
    x = 2,569.58

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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.