Home / 3,157.60-4,736.40-1,513.30

Finding the Fourth Proportional to 3,157.60, 4,736.40 and 1,513.30

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Solution

The fourth proportional to 3,157.60, 4,736.40 and 1,513.30 is: 2,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.60 : 4,736.40 = 1,513.30 : x
  2. Step 2: Convert to fraction form
    3,157.60/4,736.40 = 1,513.30/x
  3. Step 3: Cross multiply
    3,157.60x = 4,736.40 × 1,513.30
  4. Step 4: Simplify right side
    3,157.60x = 7,167,594.12
  5. Step 5: Solve for x
    x = 7,167,594.12/3,157.60
  6. Step 6: Final answer
    x = 2,269.95

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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.