Home / 2,731.40-4,095.16-1,433.76

Finding the Fourth Proportional to 2,731.40, 4,095.16 and 1,433.76

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Solution

The fourth proportional to 2,731.40, 4,095.16 and 1,433.76 is: 2,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.40 : 4,095.16 = 1,433.76 : x
  2. Step 2: Convert to fraction form
    2,731.40/4,095.16 = 1,433.76/x
  3. Step 3: Cross multiply
    2,731.40x = 4,095.16 × 1,433.76
  4. Step 4: Simplify right side
    2,731.40x = 5,871,476.60
  5. Step 5: Solve for x
    x = 5,871,476.60/2,731.40
  6. Step 6: Final answer
    x = 2,149.62

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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.