Home / 2,754.21-4,127.22-1,657.29

Finding the Fourth Proportional to 2,754.21, 4,127.22 and 1,657.29

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Solution

The fourth proportional to 2,754.21, 4,127.22 and 1,657.29 is: 2,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.21 : 4,127.22 = 1,657.29 : x
  2. Step 2: Convert to fraction form
    2,754.21/4,127.22 = 1,657.29/x
  3. Step 3: Cross multiply
    2,754.21x = 4,127.22 × 1,657.29
  4. Step 4: Simplify right side
    2,754.21x = 6,840,000.43
  5. Step 5: Solve for x
    x = 6,840,000.43/2,754.21
  6. Step 6: Final answer
    x = 2,483.47

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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.