Home / 2,438.92-3,365.58-1,376.62

Finding the Fourth Proportional to 2,438.92, 3,365.58 and 1,376.62

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Solution

The fourth proportional to 2,438.92, 3,365.58 and 1,376.62 is: 1,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.92 : 3,365.58 = 1,376.62 : x
  2. Step 2: Convert to fraction form
    2,438.92/3,365.58 = 1,376.62/x
  3. Step 3: Cross multiply
    2,438.92x = 3,365.58 × 1,376.62
  4. Step 4: Simplify right side
    2,438.92x = 4,633,124.74
  5. Step 5: Solve for x
    x = 4,633,124.74/2,438.92
  6. Step 6: Final answer
    x = 1,899.66

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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.