Home / 3,123.24-4,310.09-1,706.95

Finding the Fourth Proportional to 3,123.24, 4,310.09 and 1,706.95

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Solution

The fourth proportional to 3,123.24, 4,310.09 and 1,706.95 is: 2,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.24 : 4,310.09 = 1,706.95 : x
  2. Step 2: Convert to fraction form
    3,123.24/4,310.09 = 1,706.95/x
  3. Step 3: Cross multiply
    3,123.24x = 4,310.09 × 1,706.95
  4. Step 4: Simplify right side
    3,123.24x = 7,357,108.13
  5. Step 5: Solve for x
    x = 7,357,108.13/3,123.24
  6. Step 6: Final answer
    x = 2,355.60

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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.