Home / 3,428.82-4,731.77-1,856.91

Finding the Fourth Proportional to 3,428.82, 4,731.77 and 1,856.91

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Solution

The fourth proportional to 3,428.82, 4,731.77 and 1,856.91 is: 2,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.82 : 4,731.77 = 1,856.91 : x
  2. Step 2: Convert to fraction form
    3,428.82/4,731.77 = 1,856.91/x
  3. Step 3: Cross multiply
    3,428.82x = 4,731.77 × 1,856.91
  4. Step 4: Simplify right side
    3,428.82x = 8,786,461.75
  5. Step 5: Solve for x
    x = 8,786,461.75/3,428.82
  6. Step 6: Final answer
    x = 2,562.53

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1.5x scale

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.