Home / 2,426.87-3,349.07-1,378.94

Finding the Fourth Proportional to 2,426.87, 3,349.07 and 1,378.94

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Solution

The fourth proportional to 2,426.87, 3,349.07 and 1,378.94 is: 1,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.87 : 3,349.07 = 1,378.94 : x
  2. Step 2: Convert to fraction form
    2,426.87/3,349.07 = 1,378.94/x
  3. Step 3: Cross multiply
    2,426.87x = 3,349.07 × 1,378.94
  4. Step 4: Simplify right side
    2,426.87x = 4,618,148.12
  5. Step 5: Solve for x
    x = 4,618,148.12/2,426.87
  6. Step 6: Final answer
    x = 1,902.92

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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.