Home / 3,031.19-4,190.49-3,003.47

Finding the Fourth Proportional to 3,031.19, 4,190.49 and 3,003.47

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Solution

The fourth proportional to 3,031.19, 4,190.49 and 3,003.47 is: 4,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.19 : 4,190.49 = 3,003.47 : x
  2. Step 2: Convert to fraction form
    3,031.19/4,190.49 = 3,003.47/x
  3. Step 3: Cross multiply
    3,031.19x = 4,190.49 × 3,003.47
  4. Step 4: Simplify right side
    3,031.19x = 12,585,990.05
  5. Step 5: Solve for x
    x = 12,585,990.05/3,031.19
  6. Step 6: Final answer
    x = 4,152.17

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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.