Home / 3,125.75-4,313.61-1,799.24

Finding the Fourth Proportional to 3,125.75, 4,313.61 and 1,799.24

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Solution

The fourth proportional to 3,125.75, 4,313.61 and 1,799.24 is: 2,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.75 : 4,313.61 = 1,799.24 : x
  2. Step 2: Convert to fraction form
    3,125.75/4,313.61 = 1,799.24/x
  3. Step 3: Cross multiply
    3,125.75x = 4,313.61 × 1,799.24
  4. Step 4: Simplify right side
    3,125.75x = 7,761,210.66
  5. Step 5: Solve for x
    x = 7,761,210.66/3,125.75
  6. Step 6: Final answer
    x = 2,482.99

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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.