Home / 3,976.08-5,966.28-1,898.16

Finding the Fourth Proportional to 3,976.08, 5,966.28 and 1,898.16

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Solution

The fourth proportional to 3,976.08, 5,966.28 and 1,898.16 is: 2,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.08 : 5,966.28 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    3,976.08/5,966.28 = 1,898.16/x
  3. Step 3: Cross multiply
    3,976.08x = 5,966.28 × 1,898.16
  4. Step 4: Simplify right side
    3,976.08x = 11,324,954.04
  5. Step 5: Solve for x
    x = 11,324,954.04/3,976.08
  6. Step 6: Final answer
    x = 2,848.27

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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.