Home / 3,314.42-4,574.09-1,917.17

Finding the Fourth Proportional to 3,314.42, 4,574.09 and 1,917.17

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Solution

The fourth proportional to 3,314.42, 4,574.09 and 1,917.17 is: 2,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.42 : 4,574.09 = 1,917.17 : x
  2. Step 2: Convert to fraction form
    3,314.42/4,574.09 = 1,917.17/x
  3. Step 3: Cross multiply
    3,314.42x = 4,574.09 × 1,917.17
  4. Step 4: Simplify right side
    3,314.42x = 8,769,308.13
  5. Step 5: Solve for x
    x = 8,769,308.13/3,314.42
  6. Step 6: Final answer
    x = 2,645.80

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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.