Home / 3,428.43-4,731.27-1,856.58

Finding the Fourth Proportional to 3,428.43, 4,731.27 and 1,856.58

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Solution

The fourth proportional to 3,428.43, 4,731.27 and 1,856.58 is: 2,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.43 : 4,731.27 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    3,428.43/4,731.27 = 1,856.58/x
  3. Step 3: Cross multiply
    3,428.43x = 4,731.27 × 1,856.58
  4. Step 4: Simplify right side
    3,428.43x = 8,783,981.26
  5. Step 5: Solve for x
    x = 8,783,981.26/3,428.43
  6. Step 6: Final answer
    x = 2,562.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.