Home / 2,808.20-4,210.01-1,052.22

Finding the Fourth Proportional to 2,808.20, 4,210.01 and 1,052.22

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Solution

The fourth proportional to 2,808.20, 4,210.01 and 1,052.22 is: 1,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.20 : 4,210.01 = 1,052.22 : x
  2. Step 2: Convert to fraction form
    2,808.20/4,210.01 = 1,052.22/x
  3. Step 3: Cross multiply
    2,808.20x = 4,210.01 × 1,052.22
  4. Step 4: Simplify right side
    2,808.20x = 4,429,856.72
  5. Step 5: Solve for x
    x = 4,429,856.72/2,808.20
  6. Step 6: Final answer
    x = 1,577.47

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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.