Home / 3,146.04-4,718.64-1,976.16

Finding the Fourth Proportional to 3,146.04, 4,718.64 and 1,976.16

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Solution

The fourth proportional to 3,146.04, 4,718.64 and 1,976.16 is: 2,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.04 : 4,718.64 = 1,976.16 : x
  2. Step 2: Convert to fraction form
    3,146.04/4,718.64 = 1,976.16/x
  3. Step 3: Cross multiply
    3,146.04x = 4,718.64 × 1,976.16
  4. Step 4: Simplify right side
    3,146.04x = 9,324,787.62
  5. Step 5: Solve for x
    x = 9,324,787.62/3,146.04
  6. Step 6: Final answer
    x = 2,963.98

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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.