Home / 2,045.34-3,067.29-890.46

Finding the Fourth Proportional to 2,045.34, 3,067.29 and 890.46

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Solution

The fourth proportional to 2,045.34, 3,067.29 and 890.46 is: 1,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.34 : 3,067.29 = 890.46 : x
  2. Step 2: Convert to fraction form
    2,045.34/3,067.29 = 890.46/x
  3. Step 3: Cross multiply
    2,045.34x = 3,067.29 × 890.46
  4. Step 4: Simplify right side
    2,045.34x = 2,731,299.05
  5. Step 5: Solve for x
    x = 2,731,299.05/2,045.34
  6. Step 6: Final answer
    x = 1,335.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.