Home / 2,912.24-4,369.60-1,612.20

Finding the Fourth Proportional to 2,912.24, 4,369.60 and 1,612.20

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Solution

The fourth proportional to 2,912.24, 4,369.60 and 1,612.20 is: 2,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.24 : 4,369.60 = 1,612.20 : x
  2. Step 2: Convert to fraction form
    2,912.24/4,369.60 = 1,612.20/x
  3. Step 3: Cross multiply
    2,912.24x = 4,369.60 × 1,612.20
  4. Step 4: Simplify right side
    2,912.24x = 7,044,669.12
  5. Step 5: Solve for x
    x = 7,044,669.12/2,912.24
  6. Step 6: Final answer
    x = 2,418.99

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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.