Home / 3,125.81-4,313.45-1,799.33

Finding the Fourth Proportional to 3,125.81, 4,313.45 and 1,799.33

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Solution

The fourth proportional to 3,125.81, 4,313.45 and 1,799.33 is: 2,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.81 : 4,313.45 = 1,799.33 : x
  2. Step 2: Convert to fraction form
    3,125.81/4,313.45 = 1,799.33/x
  3. Step 3: Cross multiply
    3,125.81x = 4,313.45 × 1,799.33
  4. Step 4: Simplify right side
    3,125.81x = 7,761,327.18
  5. Step 5: Solve for x
    x = 7,761,327.18/3,125.81
  6. Step 6: Final answer
    x = 2,482.98

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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.