Home / 3,023.40-4,538.70-1,708.20

Finding the Fourth Proportional to 3,023.40, 4,538.70 and 1,708.20

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Solution

The fourth proportional to 3,023.40, 4,538.70 and 1,708.20 is: 2,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.40 : 4,538.70 = 1,708.20 : x
  2. Step 2: Convert to fraction form
    3,023.40/4,538.70 = 1,708.20/x
  3. Step 3: Cross multiply
    3,023.40x = 4,538.70 × 1,708.20
  4. Step 4: Simplify right side
    3,023.40x = 7,753,007.34
  5. Step 5: Solve for x
    x = 7,753,007.34/3,023.40
  6. Step 6: Final answer
    x = 2,564.33

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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.