Home / 2,031.24-3,048.49-1,057.62

Finding the Fourth Proportional to 2,031.24, 3,048.49 and 1,057.62

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Solution

The fourth proportional to 2,031.24, 3,048.49 and 1,057.62 is: 1,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.24 : 3,048.49 = 1,057.62 : x
  2. Step 2: Convert to fraction form
    2,031.24/3,048.49 = 1,057.62/x
  3. Step 3: Cross multiply
    2,031.24x = 3,048.49 × 1,057.62
  4. Step 4: Simplify right side
    2,031.24x = 3,224,143.99
  5. Step 5: Solve for x
    x = 3,224,143.99/2,031.24
  6. Step 6: Final answer
    x = 1,587.28

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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.