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Finding the Fourth Proportional to 2,672.12, 3,690.06 and 2,526.68

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Solution

The fourth proportional to 2,672.12, 3,690.06 and 2,526.68 is: 3,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.12 : 3,690.06 = 2,526.68 : x
  2. Step 2: Convert to fraction form
    2,672.12/3,690.06 = 2,526.68/x
  3. Step 3: Cross multiply
    2,672.12x = 3,690.06 × 2,526.68
  4. Step 4: Simplify right side
    2,672.12x = 9,323,600.80
  5. Step 5: Solve for x
    x = 9,323,600.80/2,672.12
  6. Step 6: Final answer
    x = 3,489.21

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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.