Home / 2,737.91-3,778.20-1,558.94

Finding the Fourth Proportional to 2,737.91, 3,778.20 and 1,558.94

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Solution

The fourth proportional to 2,737.91, 3,778.20 and 1,558.94 is: 2,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.91 : 3,778.20 = 1,558.94 : x
  2. Step 2: Convert to fraction form
    2,737.91/3,778.20 = 1,558.94/x
  3. Step 3: Cross multiply
    2,737.91x = 3,778.20 × 1,558.94
  4. Step 4: Simplify right side
    2,737.91x = 5,889,968.22
  5. Step 5: Solve for x
    x = 5,889,968.22/2,737.91
  6. Step 6: Final answer
    x = 2,151.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.