Home / 2,672.95-3,687.37-1,885.27

Finding the Fourth Proportional to 2,672.95, 3,687.37 and 1,885.27

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Solution

The fourth proportional to 2,672.95, 3,687.37 and 1,885.27 is: 2,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.95 : 3,687.37 = 1,885.27 : x
  2. Step 2: Convert to fraction form
    2,672.95/3,687.37 = 1,885.27/x
  3. Step 3: Cross multiply
    2,672.95x = 3,687.37 × 1,885.27
  4. Step 4: Simplify right side
    2,672.95x = 6,951,688.04
  5. Step 5: Solve for x
    x = 6,951,688.04/2,672.95
  6. Step 6: Final answer
    x = 2,600.75

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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.