Home / 5,151.69-7,730.99-2,031.34

Finding the Fourth Proportional to 5,151.69, 7,730.99 and 2,031.34

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Solution

The fourth proportional to 5,151.69, 7,730.99 and 2,031.34 is: 3,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.69 : 7,730.99 = 2,031.34 : x
  2. Step 2: Convert to fraction form
    5,151.69/7,730.99 = 2,031.34/x
  3. Step 3: Cross multiply
    5,151.69x = 7,730.99 × 2,031.34
  4. Step 4: Simplify right side
    5,151.69x = 15,704,269.23
  5. Step 5: Solve for x
    x = 15,704,269.23/5,151.69
  6. Step 6: Final answer
    x = 3,048.37

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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.