Home / 2,031.50-3,046.89-570.78

Finding the Fourth Proportional to 2,031.50, 3,046.89 and 570.78

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Solution

The fourth proportional to 2,031.50, 3,046.89 and 570.78 is: 856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.50 : 3,046.89 = 570.78 : x
  2. Step 2: Convert to fraction form
    2,031.50/3,046.89 = 570.78/x
  3. Step 3: Cross multiply
    2,031.50x = 3,046.89 × 570.78
  4. Step 4: Simplify right side
    2,031.50x = 1,739,103.87
  5. Step 5: Solve for x
    x = 1,739,103.87/2,031.50
  6. Step 6: Final answer
    x = 856.07

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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.