Home / 3,023.23-4,172.31-1,697.20

Finding the Fourth Proportional to 3,023.23, 4,172.31 and 1,697.20

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Solution

The fourth proportional to 3,023.23, 4,172.31 and 1,697.20 is: 2,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.23 : 4,172.31 = 1,697.20 : x
  2. Step 2: Convert to fraction form
    3,023.23/4,172.31 = 1,697.20/x
  3. Step 3: Cross multiply
    3,023.23x = 4,172.31 × 1,697.20
  4. Step 4: Simplify right side
    3,023.23x = 7,081,244.53
  5. Step 5: Solve for x
    x = 7,081,244.53/3,023.23
  6. Step 6: Final answer
    x = 2,342.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.