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Finding the Fourth Proportional to 3,160.01, 4,740.01 and 1,080.03

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Solution

The fourth proportional to 3,160.01, 4,740.01 and 1,080.03 is: 1,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.01 : 4,740.01 = 1,080.03 : x
  2. Step 2: Convert to fraction form
    3,160.01/4,740.01 = 1,080.03/x
  3. Step 3: Cross multiply
    3,160.01x = 4,740.01 × 1,080.03
  4. Step 4: Simplify right side
    3,160.01x = 5,119,330.50
  5. Step 5: Solve for x
    x = 5,119,330.50/3,160.01
  6. Step 6: Final answer
    x = 1,620.04

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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.