Home / 1,789.41-2,456.21-1,588.53

Finding the Fourth Proportional to 1,789.41, 2,456.21 and 1,588.53

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Solution

The fourth proportional to 1,789.41, 2,456.21 and 1,588.53 is: 2,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.41 : 2,456.21 = 1,588.53 : x
  2. Step 2: Convert to fraction form
    1,789.41/2,456.21 = 1,588.53/x
  3. Step 3: Cross multiply
    1,789.41x = 2,456.21 × 1,588.53
  4. Step 4: Simplify right side
    1,789.41x = 3,901,767.24
  5. Step 5: Solve for x
    x = 3,901,767.24/1,789.41
  6. Step 6: Final answer
    x = 2,180.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.