Home / 2,451.33-3,671.09-1,408.17

Finding the Fourth Proportional to 2,451.33, 3,671.09 and 1,408.17

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Solution

The fourth proportional to 2,451.33, 3,671.09 and 1,408.17 is: 2,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.33 : 3,671.09 = 1,408.17 : x
  2. Step 2: Convert to fraction form
    2,451.33/3,671.09 = 1,408.17/x
  3. Step 3: Cross multiply
    2,451.33x = 3,671.09 × 1,408.17
  4. Step 4: Simplify right side
    2,451.33x = 5,169,518.81
  5. Step 5: Solve for x
    x = 5,169,518.81/2,451.33
  6. Step 6: Final answer
    x = 2,108.86

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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.