Home / 2,977.83-4,104.27-2,136.24

Finding the Fourth Proportional to 2,977.83, 4,104.27 and 2,136.24

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Solution

The fourth proportional to 2,977.83, 4,104.27 and 2,136.24 is: 2,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.83 : 4,104.27 = 2,136.24 : x
  2. Step 2: Convert to fraction form
    2,977.83/4,104.27 = 2,136.24/x
  3. Step 3: Cross multiply
    2,977.83x = 4,104.27 × 2,136.24
  4. Step 4: Simplify right side
    2,977.83x = 8,767,705.74
  5. Step 5: Solve for x
    x = 8,767,705.74/2,977.83
  6. Step 6: Final answer
    x = 2,944.33

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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.