Home / 3,546.30-4,894.47-2,149.74

Finding the Fourth Proportional to 3,546.30, 4,894.47 and 2,149.74

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Solution

The fourth proportional to 3,546.30, 4,894.47 and 2,149.74 is: 2,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.30 : 4,894.47 = 2,149.74 : x
  2. Step 2: Convert to fraction form
    3,546.30/4,894.47 = 2,149.74/x
  3. Step 3: Cross multiply
    3,546.30x = 4,894.47 × 2,149.74
  4. Step 4: Simplify right side
    3,546.30x = 10,521,837.94
  5. Step 5: Solve for x
    x = 10,521,837.94/3,546.30
  6. Step 6: Final answer
    x = 2,966.99

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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.