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Finding the Fourth Proportional to 3,167.02, 4,750.60 and 1,087.01

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Solution

The fourth proportional to 3,167.02, 4,750.60 and 1,087.01 is: 1,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.02 : 4,750.60 = 1,087.01 : x
  2. Step 2: Convert to fraction form
    3,167.02/4,750.60 = 1,087.01/x
  3. Step 3: Cross multiply
    3,167.02x = 4,750.60 × 1,087.01
  4. Step 4: Simplify right side
    3,167.02x = 5,163,949.71
  5. Step 5: Solve for x
    x = 5,163,949.71/3,167.02
  6. Step 6: Final answer
    x = 1,630.54

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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.