Home / 3,031.32-4,183.02-1,852.20

Finding the Fourth Proportional to 3,031.32, 4,183.02 and 1,852.20

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Solution

The fourth proportional to 3,031.32, 4,183.02 and 1,852.20 is: 2,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.32 : 4,183.02 = 1,852.20 : x
  2. Step 2: Convert to fraction form
    3,031.32/4,183.02 = 1,852.20/x
  3. Step 3: Cross multiply
    3,031.32x = 4,183.02 × 1,852.20
  4. Step 4: Simplify right side
    3,031.32x = 7,747,789.64
  5. Step 5: Solve for x
    x = 7,747,789.64/3,031.32
  6. Step 6: Final answer
    x = 2,555.91

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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.