Home / 3,011.83-4,161.53-2,486.95

Finding the Fourth Proportional to 3,011.83, 4,161.53 and 2,486.95

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Solution

The fourth proportional to 3,011.83, 4,161.53 and 2,486.95 is: 3,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.83 : 4,161.53 = 2,486.95 : x
  2. Step 2: Convert to fraction form
    3,011.83/4,161.53 = 2,486.95/x
  3. Step 3: Cross multiply
    3,011.83x = 4,161.53 × 2,486.95
  4. Step 4: Simplify right side
    3,011.83x = 10,349,483.79
  5. Step 5: Solve for x
    x = 10,349,483.79/3,011.83
  6. Step 6: Final answer
    x = 3,436.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.