Home / 2,408.00-3,607.13-1,915.19

Finding the Fourth Proportional to 2,408.00, 3,607.13 and 1,915.19

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Solution

The fourth proportional to 2,408.00, 3,607.13 and 1,915.19 is: 2,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.00 : 3,607.13 = 1,915.19 : x
  2. Step 2: Convert to fraction form
    2,408.00/3,607.13 = 1,915.19/x
  3. Step 3: Cross multiply
    2,408.00x = 3,607.13 × 1,915.19
  4. Step 4: Simplify right side
    2,408.00x = 6,908,311.69
  5. Step 5: Solve for x
    x = 6,908,311.69/2,408.00
  6. Step 6: Final answer
    x = 2,868.91

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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.