Home / 2,148.22-3,222.30-1,718.08

Finding the Fourth Proportional to 2,148.22, 3,222.30 and 1,718.08

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Solution

The fourth proportional to 2,148.22, 3,222.30 and 1,718.08 is: 2,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.22 : 3,222.30 = 1,718.08 : x
  2. Step 2: Convert to fraction form
    2,148.22/3,222.30 = 1,718.08/x
  3. Step 3: Cross multiply
    2,148.22x = 3,222.30 × 1,718.08
  4. Step 4: Simplify right side
    2,148.22x = 5,536,169.18
  5. Step 5: Solve for x
    x = 5,536,169.18/2,148.22
  6. Step 6: Final answer
    x = 2,577.10

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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.