Home / 2,557.17-3,844.31-2,098.35

Finding the Fourth Proportional to 2,557.17, 3,844.31 and 2,098.35

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Solution

The fourth proportional to 2,557.17, 3,844.31 and 2,098.35 is: 3,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.17 : 3,844.31 = 2,098.35 : x
  2. Step 2: Convert to fraction form
    2,557.17/3,844.31 = 2,098.35/x
  3. Step 3: Cross multiply
    2,557.17x = 3,844.31 × 2,098.35
  4. Step 4: Simplify right side
    2,557.17x = 8,066,697.40
  5. Step 5: Solve for x
    x = 8,066,697.40/2,557.17
  6. Step 6: Final answer
    x = 3,154.54

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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.