Home / 2,349.37-3,518.64-1,687.14

Finding the Fourth Proportional to 2,349.37, 3,518.64 and 1,687.14

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Solution

The fourth proportional to 2,349.37, 3,518.64 and 1,687.14 is: 2,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.37 : 3,518.64 = 1,687.14 : x
  2. Step 2: Convert to fraction form
    2,349.37/3,518.64 = 1,687.14/x
  3. Step 3: Cross multiply
    2,349.37x = 3,518.64 × 1,687.14
  4. Step 4: Simplify right side
    2,349.37x = 5,936,438.29
  5. Step 5: Solve for x
    x = 5,936,438.29/2,349.37
  6. Step 6: Final answer
    x = 2,526.82

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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.