Home / 3,215.54-4,436.73-1,957.25

Finding the Fourth Proportional to 3,215.54, 4,436.73 and 1,957.25

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Solution

The fourth proportional to 3,215.54, 4,436.73 and 1,957.25 is: 2,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.54 : 4,436.73 = 1,957.25 : x
  2. Step 2: Convert to fraction form
    3,215.54/4,436.73 = 1,957.25/x
  3. Step 3: Cross multiply
    3,215.54x = 4,436.73 × 1,957.25
  4. Step 4: Simplify right side
    3,215.54x = 8,683,789.79
  5. Step 5: Solve for x
    x = 8,683,789.79/3,215.54
  6. Step 6: Final answer
    x = 2,700.57

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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.