Home / 2,834.70-3,911.31-1,715.34

Finding the Fourth Proportional to 2,834.70, 3,911.31 and 1,715.34

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Solution

The fourth proportional to 2,834.70, 3,911.31 and 1,715.34 is: 2,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.70 : 3,911.31 = 1,715.34 : x
  2. Step 2: Convert to fraction form
    2,834.70/3,911.31 = 1,715.34/x
  3. Step 3: Cross multiply
    2,834.70x = 3,911.31 × 1,715.34
  4. Step 4: Simplify right side
    2,834.70x = 6,709,226.50
  5. Step 5: Solve for x
    x = 6,709,226.50/2,834.70
  6. Step 6: Final answer
    x = 2,366.82

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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.