Home / 3,125.63-4,684.79-1,738.31

Finding the Fourth Proportional to 3,125.63, 4,684.79 and 1,738.31

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Solution

The fourth proportional to 3,125.63, 4,684.79 and 1,738.31 is: 2,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.63 : 4,684.79 = 1,738.31 : x
  2. Step 2: Convert to fraction form
    3,125.63/4,684.79 = 1,738.31/x
  3. Step 3: Cross multiply
    3,125.63x = 4,684.79 × 1,738.31
  4. Step 4: Simplify right side
    3,125.63x = 8,143,585.19
  5. Step 5: Solve for x
    x = 8,143,585.19/3,125.63
  6. Step 6: Final answer
    x = 2,605.43

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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.