Home / 1,588.06-2,191.53-889.44

Finding the Fourth Proportional to 1,588.06, 2,191.53 and 889.44

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Solution

The fourth proportional to 1,588.06, 2,191.53 and 889.44 is: 1,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.06 : 2,191.53 = 889.44 : x
  2. Step 2: Convert to fraction form
    1,588.06/2,191.53 = 889.44/x
  3. Step 3: Cross multiply
    1,588.06x = 2,191.53 × 889.44
  4. Step 4: Simplify right side
    1,588.06x = 1,949,234.44
  5. Step 5: Solve for x
    x = 1,949,234.44/1,588.06
  6. Step 6: Final answer
    x = 1,227.43

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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.