Home / 1,449.60-2,163.18-1,402.26

Finding the Fourth Proportional to 1,449.60, 2,163.18 and 1,402.26

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Solution

The fourth proportional to 1,449.60, 2,163.18 and 1,402.26 is: 2,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.60 : 2,163.18 = 1,402.26 : x
  2. Step 2: Convert to fraction form
    1,449.60/2,163.18 = 1,402.26/x
  3. Step 3: Cross multiply
    1,449.60x = 2,163.18 × 1,402.26
  4. Step 4: Simplify right side
    1,449.60x = 3,033,340.79
  5. Step 5: Solve for x
    x = 3,033,340.79/1,449.60
  6. Step 6: Final answer
    x = 2,092.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.