Home / 3,023.60-4,172.63-1,697.40

Finding the Fourth Proportional to 3,023.60, 4,172.63 and 1,697.40

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Solution

The fourth proportional to 3,023.60, 4,172.63 and 1,697.40 is: 2,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.60 : 4,172.63 = 1,697.40 : x
  2. Step 2: Convert to fraction form
    3,023.60/4,172.63 = 1,697.40/x
  3. Step 3: Cross multiply
    3,023.60x = 4,172.63 × 1,697.40
  4. Step 4: Simplify right side
    3,023.60x = 7,082,613.68
  5. Step 5: Solve for x
    x = 7,082,613.68/3,023.60
  6. Step 6: Final answer
    x = 2,342.45

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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.