Home / 3,548.40-4,894.69-2,219.79

Finding the Fourth Proportional to 3,548.40, 4,894.69 and 2,219.79

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Solution

The fourth proportional to 3,548.40, 4,894.69 and 2,219.79 is: 3,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.40 : 4,894.69 = 2,219.79 : x
  2. Step 2: Convert to fraction form
    3,548.40/4,894.69 = 2,219.79/x
  3. Step 3: Cross multiply
    3,548.40x = 4,894.69 × 2,219.79
  4. Step 4: Simplify right side
    3,548.40x = 10,865,183.92
  5. Step 5: Solve for x
    x = 10,865,183.92/3,548.40
  6. Step 6: Final answer
    x = 3,062.00

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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.