Home / 3,125.72-4,313.49-1,799.66

Finding the Fourth Proportional to 3,125.72, 4,313.49 and 1,799.66

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Solution

The fourth proportional to 3,125.72, 4,313.49 and 1,799.66 is: 2,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.72 : 4,313.49 = 1,799.66 : x
  2. Step 2: Convert to fraction form
    3,125.72/4,313.49 = 1,799.66/x
  3. Step 3: Cross multiply
    3,125.72x = 4,313.49 × 1,799.66
  4. Step 4: Simplify right side
    3,125.72x = 7,762,815.41
  5. Step 5: Solve for x
    x = 7,762,815.41/3,125.72
  6. Step 6: Final answer
    x = 2,483.53

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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.