Home / 3,014.80-4,161.91-2,300.78

Finding the Fourth Proportional to 3,014.80, 4,161.91 and 2,300.78

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Solution

The fourth proportional to 3,014.80, 4,161.91 and 2,300.78 is: 3,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.80 : 4,161.91 = 2,300.78 : x
  2. Step 2: Convert to fraction form
    3,014.80/4,161.91 = 2,300.78/x
  3. Step 3: Cross multiply
    3,014.80x = 4,161.91 × 2,300.78
  4. Step 4: Simplify right side
    3,014.80x = 9,575,639.29
  5. Step 5: Solve for x
    x = 9,575,639.29/3,014.80
  6. Step 6: Final answer
    x = 3,176.22

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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.