Home / 4,146.30-6,221.13-1,680.48

Finding the Fourth Proportional to 4,146.30, 6,221.13 and 1,680.48

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Solution

The fourth proportional to 4,146.30, 6,221.13 and 1,680.48 is: 2,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.30 : 6,221.13 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    4,146.30/6,221.13 = 1,680.48/x
  3. Step 3: Cross multiply
    4,146.30x = 6,221.13 × 1,680.48
  4. Step 4: Simplify right side
    4,146.30x = 10,454,484.54
  5. Step 5: Solve for x
    x = 10,454,484.54/4,146.30
  6. Step 6: Final answer
    x = 2,521.40

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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.