Home / 2,687.40-4,030.08-1,516.14

Finding the Fourth Proportional to 2,687.40, 4,030.08 and 1,516.14

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Solution

The fourth proportional to 2,687.40, 4,030.08 and 1,516.14 is: 2,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.40 : 4,030.08 = 1,516.14 : x
  2. Step 2: Convert to fraction form
    2,687.40/4,030.08 = 1,516.14/x
  3. Step 3: Cross multiply
    2,687.40x = 4,030.08 × 1,516.14
  4. Step 4: Simplify right side
    2,687.40x = 6,110,165.49
  5. Step 5: Solve for x
    x = 6,110,165.49/2,687.40
  6. Step 6: Final answer
    x = 2,273.63

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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.