Home / 3,050.64-4,209.90-1,872.48

Finding the Fourth Proportional to 3,050.64, 4,209.90 and 1,872.48

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Solution

The fourth proportional to 3,050.64, 4,209.90 and 1,872.48 is: 2,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.64 : 4,209.90 = 1,872.48 : x
  2. Step 2: Convert to fraction form
    3,050.64/4,209.90 = 1,872.48/x
  3. Step 3: Cross multiply
    3,050.64x = 4,209.90 × 1,872.48
  4. Step 4: Simplify right side
    3,050.64x = 7,882,953.55
  5. Step 5: Solve for x
    x = 7,882,953.55/3,050.64
  6. Step 6: Final answer
    x = 2,584.03

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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.