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Finding the Fourth Proportional to 2,031.48, 3,047.22 and 570.51

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Solution

The fourth proportional to 2,031.48, 3,047.22 and 570.51 is: 855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.48 : 3,047.22 = 570.51 : x
  2. Step 2: Convert to fraction form
    2,031.48/3,047.22 = 570.51/x
  3. Step 3: Cross multiply
    2,031.48x = 3,047.22 × 570.51
  4. Step 4: Simplify right side
    2,031.48x = 1,738,469.48
  5. Step 5: Solve for x
    x = 1,738,469.48/2,031.48
  6. Step 6: Final answer
    x = 855.77

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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.