Home / 3,123.34-4,310.04-1,726

Finding the Fourth Proportional to 3,123.34, 4,310.04 and 1,726

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Solution

The fourth proportional to 3,123.34, 4,310.04 and 1,726 is: 2,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.34 : 4,310.04 = 1,726 : x
  2. Step 2: Convert to fraction form
    3,123.34/4,310.04 = 1,726/x
  3. Step 3: Cross multiply
    3,123.34x = 4,310.04 × 1,726
  4. Step 4: Simplify right side
    3,123.34x = 7,439,129.04
  5. Step 5: Solve for x
    x = 7,439,129.04/3,123.34
  6. Step 6: Final answer
    x = 2,381.79

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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.