Home / 2,106.48-2,910.24-1,611.12

Finding the Fourth Proportional to 2,106.48, 2,910.24 and 1,611.12

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Solution

The fourth proportional to 2,106.48, 2,910.24 and 1,611.12 is: 2,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.48 : 2,910.24 = 1,611.12 : x
  2. Step 2: Convert to fraction form
    2,106.48/2,910.24 = 1,611.12/x
  3. Step 3: Cross multiply
    2,106.48x = 2,910.24 × 1,611.12
  4. Step 4: Simplify right side
    2,106.48x = 4,688,745.87
  5. Step 5: Solve for x
    x = 4,688,745.87/2,106.48
  6. Step 6: Final answer
    x = 2,225.87

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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.