Home / 2,114.39-2,918.58-1,230.94

Finding the Fourth Proportional to 2,114.39, 2,918.58 and 1,230.94

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Solution

The fourth proportional to 2,114.39, 2,918.58 and 1,230.94 is: 1,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.39 : 2,918.58 = 1,230.94 : x
  2. Step 2: Convert to fraction form
    2,114.39/2,918.58 = 1,230.94/x
  3. Step 3: Cross multiply
    2,114.39x = 2,918.58 × 1,230.94
  4. Step 4: Simplify right side
    2,114.39x = 3,592,589.57
  5. Step 5: Solve for x
    x = 3,592,589.57/2,114.39
  6. Step 6: Final answer
    x = 1,699.11

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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.