Home / 1,975.41-2,964.15-1,281.92

Finding the Fourth Proportional to 1,975.41, 2,964.15 and 1,281.92

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Solution

The fourth proportional to 1,975.41, 2,964.15 and 1,281.92 is: 1,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.41 : 2,964.15 = 1,281.92 : x
  2. Step 2: Convert to fraction form
    1,975.41/2,964.15 = 1,281.92/x
  3. Step 3: Cross multiply
    1,975.41x = 2,964.15 × 1,281.92
  4. Step 4: Simplify right side
    1,975.41x = 3,799,788.35
  5. Step 5: Solve for x
    x = 3,799,788.35/1,975.41
  6. Step 6: Final answer
    x = 1,923.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.