Home / 3,503.58-5,254.38-1,310.70

Finding the Fourth Proportional to 3,503.58, 5,254.38 and 1,310.70

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Solution

The fourth proportional to 3,503.58, 5,254.38 and 1,310.70 is: 1,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.58 : 5,254.38 = 1,310.70 : x
  2. Step 2: Convert to fraction form
    3,503.58/5,254.38 = 1,310.70/x
  3. Step 3: Cross multiply
    3,503.58x = 5,254.38 × 1,310.70
  4. Step 4: Simplify right side
    3,503.58x = 6,886,915.87
  5. Step 5: Solve for x
    x = 6,886,915.87/3,503.58
  6. Step 6: Final answer
    x = 1,965.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.