Home / 2,114.08-2,917.65-1,230.37

Finding the Fourth Proportional to 2,114.08, 2,917.65 and 1,230.37

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Solution

The fourth proportional to 2,114.08, 2,917.65 and 1,230.37 is: 1,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.08 : 2,917.65 = 1,230.37 : x
  2. Step 2: Convert to fraction form
    2,114.08/2,917.65 = 1,230.37/x
  3. Step 3: Cross multiply
    2,114.08x = 2,917.65 × 1,230.37
  4. Step 4: Simplify right side
    2,114.08x = 3,589,786.35
  5. Step 5: Solve for x
    x = 3,589,786.35/2,114.08
  6. Step 6: Final answer
    x = 1,698.04

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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.