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Finding the Fourth Proportional to 3,160.01, 4,741.13 and 1,679.13

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Solution

The fourth proportional to 3,160.01, 4,741.13 and 1,679.13 is: 2,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.01 : 4,741.13 = 1,679.13 : x
  2. Step 2: Convert to fraction form
    3,160.01/4,741.13 = 1,679.13/x
  3. Step 3: Cross multiply
    3,160.01x = 4,741.13 × 1,679.13
  4. Step 4: Simplify right side
    3,160.01x = 7,960,977.81
  5. Step 5: Solve for x
    x = 7,960,977.81/3,160.01
  6. Step 6: Final answer
    x = 2,519.29

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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.