Home / 2,292.20-3,163.30-1,347.81

Finding the Fourth Proportional to 2,292.20, 3,163.30 and 1,347.81

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Solution

The fourth proportional to 2,292.20, 3,163.30 and 1,347.81 is: 1,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.20 : 3,163.30 = 1,347.81 : x
  2. Step 2: Convert to fraction form
    2,292.20/3,163.30 = 1,347.81/x
  3. Step 3: Cross multiply
    2,292.20x = 3,163.30 × 1,347.81
  4. Step 4: Simplify right side
    2,292.20x = 4,263,520.63
  5. Step 5: Solve for x
    x = 4,263,520.63/2,292.20
  6. Step 6: Final answer
    x = 1,860.02

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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.