Home / 2,834.18-3,909.30-1,715.46

Finding the Fourth Proportional to 2,834.18, 3,909.30 and 1,715.46

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Solution

The fourth proportional to 2,834.18, 3,909.30 and 1,715.46 is: 2,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.18 : 3,909.30 = 1,715.46 : x
  2. Step 2: Convert to fraction form
    2,834.18/3,909.30 = 1,715.46/x
  3. Step 3: Cross multiply
    2,834.18x = 3,909.30 × 1,715.46
  4. Step 4: Simplify right side
    2,834.18x = 6,706,247.78
  5. Step 5: Solve for x
    x = 6,706,247.78/2,834.18
  6. Step 6: Final answer
    x = 2,366.21

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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.