Home / 3,125.93-4,313.44-1,728.41

Finding the Fourth Proportional to 3,125.93, 4,313.44 and 1,728.41

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Solution

The fourth proportional to 3,125.93, 4,313.44 and 1,728.41 is: 2,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.93 : 4,313.44 = 1,728.41 : x
  2. Step 2: Convert to fraction form
    3,125.93/4,313.44 = 1,728.41/x
  3. Step 3: Cross multiply
    3,125.93x = 4,313.44 × 1,728.41
  4. Step 4: Simplify right side
    3,125.93x = 7,455,392.83
  5. Step 5: Solve for x
    x = 7,455,392.83/3,125.93
  6. Step 6: Final answer
    x = 2,385.02

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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.