Home / 2,425.94-3,349.41-1,639.70

Finding the Fourth Proportional to 2,425.94, 3,349.41 and 1,639.70

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Solution

The fourth proportional to 2,425.94, 3,349.41 and 1,639.70 is: 2,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.94 : 3,349.41 = 1,639.70 : x
  2. Step 2: Convert to fraction form
    2,425.94/3,349.41 = 1,639.70/x
  3. Step 3: Cross multiply
    2,425.94x = 3,349.41 × 1,639.70
  4. Step 4: Simplify right side
    2,425.94x = 5,492,027.58
  5. Step 5: Solve for x
    x = 5,492,027.58/2,425.94
  6. Step 6: Final answer
    x = 2,263.88

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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.