Home / 2,835.99-4,255.20-1,915.02

Finding the Fourth Proportional to 2,835.99, 4,255.20 and 1,915.02

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Solution

The fourth proportional to 2,835.99, 4,255.20 and 1,915.02 is: 2,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.99 : 4,255.20 = 1,915.02 : x
  2. Step 2: Convert to fraction form
    2,835.99/4,255.20 = 1,915.02/x
  3. Step 3: Cross multiply
    2,835.99x = 4,255.20 × 1,915.02
  4. Step 4: Simplify right side
    2,835.99x = 8,148,793.10
  5. Step 5: Solve for x
    x = 8,148,793.10/2,835.99
  6. Step 6: Final answer
    x = 2,873.35

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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.