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Finding the Fourth Proportional to 3,173.60, 4,760.24 and 1,715.60

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Solution

The fourth proportional to 3,173.60, 4,760.24 and 1,715.60 is: 2,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.60 : 4,760.24 = 1,715.60 : x
  2. Step 2: Convert to fraction form
    3,173.60/4,760.24 = 1,715.60/x
  3. Step 3: Cross multiply
    3,173.60x = 4,760.24 × 1,715.60
  4. Step 4: Simplify right side
    3,173.60x = 8,166,667.74
  5. Step 5: Solve for x
    x = 8,166,667.74/3,173.60
  6. Step 6: Final answer
    x = 2,573.31

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1.5x scale

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.