Home / 1,897.72-2,846.90-581.43

Finding the Fourth Proportional to 1,897.72, 2,846.90 and 581.43

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Solution

The fourth proportional to 1,897.72, 2,846.90 and 581.43 is: 872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.72 : 2,846.90 = 581.43 : x
  2. Step 2: Convert to fraction form
    1,897.72/2,846.90 = 581.43/x
  3. Step 3: Cross multiply
    1,897.72x = 2,846.90 × 581.43
  4. Step 4: Simplify right side
    1,897.72x = 1,655,286.69
  5. Step 5: Solve for x
    x = 1,655,286.69/1,897.72
  6. Step 6: Final answer
    x = 872.25

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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.