Home / 1,772.23-2,445.26-1,489.73

Finding the Fourth Proportional to 1,772.23, 2,445.26 and 1,489.73

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Solution

The fourth proportional to 1,772.23, 2,445.26 and 1,489.73 is: 2,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.23 : 2,445.26 = 1,489.73 : x
  2. Step 2: Convert to fraction form
    1,772.23/2,445.26 = 1,489.73/x
  3. Step 3: Cross multiply
    1,772.23x = 2,445.26 × 1,489.73
  4. Step 4: Simplify right side
    1,772.23x = 3,642,771.47
  5. Step 5: Solve for x
    x = 3,642,771.47/1,772.23
  6. Step 6: Final answer
    x = 2,055.47

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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.