Home / 3,114.87-4,298.58-1,717.62

Finding the Fourth Proportional to 3,114.87, 4,298.58 and 1,717.62

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Solution

The fourth proportional to 3,114.87, 4,298.58 and 1,717.62 is: 2,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.87 : 4,298.58 = 1,717.62 : x
  2. Step 2: Convert to fraction form
    3,114.87/4,298.58 = 1,717.62/x
  3. Step 3: Cross multiply
    3,114.87x = 4,298.58 × 1,717.62
  4. Step 4: Simplify right side
    3,114.87x = 7,383,326.98
  5. Step 5: Solve for x
    x = 7,383,326.98/3,114.87
  6. Step 6: Final answer
    x = 2,370.35

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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.