Home / 3,898.84-5,848.28-2,162.20

Finding the Fourth Proportional to 3,898.84, 5,848.28 and 2,162.20

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Solution

The fourth proportional to 3,898.84, 5,848.28 and 2,162.20 is: 3,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.84 : 5,848.28 = 2,162.20 : x
  2. Step 2: Convert to fraction form
    3,898.84/5,848.28 = 2,162.20/x
  3. Step 3: Cross multiply
    3,898.84x = 5,848.28 × 2,162.20
  4. Step 4: Simplify right side
    3,898.84x = 12,645,151.02
  5. Step 5: Solve for x
    x = 12,645,151.02/3,898.84
  6. Step 6: Final answer
    x = 3,243.31

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1.5x scale

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.