Home / 2,114.34-2,917.32-1,230.12

Finding the Fourth Proportional to 2,114.34, 2,917.32 and 1,230.12

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Solution

The fourth proportional to 2,114.34, 2,917.32 and 1,230.12 is: 1,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.34 : 2,917.32 = 1,230.12 : x
  2. Step 2: Convert to fraction form
    2,114.34/2,917.32 = 1,230.12/x
  3. Step 3: Cross multiply
    2,114.34x = 2,917.32 × 1,230.12
  4. Step 4: Simplify right side
    2,114.34x = 3,588,653.68
  5. Step 5: Solve for x
    x = 3,588,653.68/2,114.34
  6. Step 6: Final answer
    x = 1,697.29

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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.