Home / 3,272.30-4,903.05-2,807.90

Finding the Fourth Proportional to 3,272.30, 4,903.05 and 2,807.90

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Solution

The fourth proportional to 3,272.30, 4,903.05 and 2,807.90 is: 4,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.30 : 4,903.05 = 2,807.90 : x
  2. Step 2: Convert to fraction form
    3,272.30/4,903.05 = 2,807.90/x
  3. Step 3: Cross multiply
    3,272.30x = 4,903.05 × 2,807.90
  4. Step 4: Simplify right side
    3,272.30x = 13,767,274.10
  5. Step 5: Solve for x
    x = 13,767,274.10/3,272.30
  6. Step 6: Final answer
    x = 4,207.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.