Home / 3,488.94-4,814.77-1,917.07

Finding the Fourth Proportional to 3,488.94, 4,814.77 and 1,917.07

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Solution

The fourth proportional to 3,488.94, 4,814.77 and 1,917.07 is: 2,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.94 : 4,814.77 = 1,917.07 : x
  2. Step 2: Convert to fraction form
    3,488.94/4,814.77 = 1,917.07/x
  3. Step 3: Cross multiply
    3,488.94x = 4,814.77 × 1,917.07
  4. Step 4: Simplify right side
    3,488.94x = 9,230,251.12
  5. Step 5: Solve for x
    x = 9,230,251.12/3,488.94
  6. Step 6: Final answer
    x = 2,645.57

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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.