Home / 4,020.45-6,031.63-1,679.15

Finding the Fourth Proportional to 4,020.45, 6,031.63 and 1,679.15

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Solution

The fourth proportional to 4,020.45, 6,031.63 and 1,679.15 is: 2,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.45 : 6,031.63 = 1,679.15 : x
  2. Step 2: Convert to fraction form
    4,020.45/6,031.63 = 1,679.15/x
  3. Step 3: Cross multiply
    4,020.45x = 6,031.63 × 1,679.15
  4. Step 4: Simplify right side
    4,020.45x = 10,128,011.51
  5. Step 5: Solve for x
    x = 10,128,011.51/4,020.45
  6. Step 6: Final answer
    x = 2,519.12

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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.