Home / 2,438.77-3,365.55-1,376.33

Finding the Fourth Proportional to 2,438.77, 3,365.55 and 1,376.33

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Solution

The fourth proportional to 2,438.77, 3,365.55 and 1,376.33 is: 1,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.77 : 3,365.55 = 1,376.33 : x
  2. Step 2: Convert to fraction form
    2,438.77/3,365.55 = 1,376.33/x
  3. Step 3: Cross multiply
    2,438.77x = 3,365.55 × 1,376.33
  4. Step 4: Simplify right side
    2,438.77x = 4,632,086.73
  5. Step 5: Solve for x
    x = 4,632,086.73/2,438.77
  6. Step 6: Final answer
    x = 1,899.36

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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.