Home / 3,818.52-5,269.59-2,140.02

Finding the Fourth Proportional to 3,818.52, 5,269.59 and 2,140.02

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Solution

The fourth proportional to 3,818.52, 5,269.59 and 2,140.02 is: 2,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.52 : 5,269.59 = 2,140.02 : x
  2. Step 2: Convert to fraction form
    3,818.52/5,269.59 = 2,140.02/x
  3. Step 3: Cross multiply
    3,818.52x = 5,269.59 × 2,140.02
  4. Step 4: Simplify right side
    3,818.52x = 11,277,027.99
  5. Step 5: Solve for x
    x = 11,277,027.99/3,818.52
  6. Step 6: Final answer
    x = 2,953.25

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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.