Home / 2,426.92-3,349.13-1,378.98

Finding the Fourth Proportional to 2,426.92, 3,349.13 and 1,378.98

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Solution

The fourth proportional to 2,426.92, 3,349.13 and 1,378.98 is: 1,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.92 : 3,349.13 = 1,378.98 : x
  2. Step 2: Convert to fraction form
    2,426.92/3,349.13 = 1,378.98/x
  3. Step 3: Cross multiply
    2,426.92x = 3,349.13 × 1,378.98
  4. Step 4: Simplify right side
    2,426.92x = 4,618,391.66
  5. Step 5: Solve for x
    x = 4,618,391.66/2,426.92
  6. Step 6: Final answer
    x = 1,902.98

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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.