Home / 4,021.61-6,031.95-1,100.15

Finding the Fourth Proportional to 4,021.61, 6,031.95 and 1,100.15

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Solution

The fourth proportional to 4,021.61, 6,031.95 and 1,100.15 is: 1,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.61 : 6,031.95 = 1,100.15 : x
  2. Step 2: Convert to fraction form
    4,021.61/6,031.95 = 1,100.15/x
  3. Step 3: Cross multiply
    4,021.61x = 6,031.95 × 1,100.15
  4. Step 4: Simplify right side
    4,021.61x = 6,636,049.79
  5. Step 5: Solve for x
    x = 6,636,049.79/4,021.61
  6. Step 6: Final answer
    x = 1,650.10

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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.