Home / 1,881.42-2,589.87-1,629.24

Finding the Fourth Proportional to 1,881.42, 2,589.87 and 1,629.24

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Solution

The fourth proportional to 1,881.42, 2,589.87 and 1,629.24 is: 2,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.42 : 2,589.87 = 1,629.24 : x
  2. Step 2: Convert to fraction form
    1,881.42/2,589.87 = 1,629.24/x
  3. Step 3: Cross multiply
    1,881.42x = 2,589.87 × 1,629.24
  4. Step 4: Simplify right side
    1,881.42x = 4,219,519.80
  5. Step 5: Solve for x
    x = 4,219,519.80/1,881.42
  6. Step 6: Final answer
    x = 2,242.73

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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.