Home / 2,169.61-3,252.35-1,970.73

Finding the Fourth Proportional to 2,169.61, 3,252.35 and 1,970.73

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Solution

The fourth proportional to 2,169.61, 3,252.35 and 1,970.73 is: 2,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.61 : 3,252.35 = 1,970.73 : x
  2. Step 2: Convert to fraction form
    2,169.61/3,252.35 = 1,970.73/x
  3. Step 3: Cross multiply
    2,169.61x = 3,252.35 × 1,970.73
  4. Step 4: Simplify right side
    2,169.61x = 6,409,503.72
  5. Step 5: Solve for x
    x = 6,409,503.72/2,169.61
  6. Step 6: Final answer
    x = 2,954.22

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1.5x scale

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.