Home / 1,591.18-2,374.99-1,408.73

Finding the Fourth Proportional to 1,591.18, 2,374.99 and 1,408.73

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Solution

The fourth proportional to 1,591.18, 2,374.99 and 1,408.73 is: 2,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.18 : 2,374.99 = 1,408.73 : x
  2. Step 2: Convert to fraction form
    1,591.18/2,374.99 = 1,408.73/x
  3. Step 3: Cross multiply
    1,591.18x = 2,374.99 × 1,408.73
  4. Step 4: Simplify right side
    1,591.18x = 3,345,704.27
  5. Step 5: Solve for x
    x = 3,345,704.27/1,591.18
  6. Step 6: Final answer
    x = 2,102.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.