Home / 3,214.40-4,430.22-2,651.54

Finding the Fourth Proportional to 3,214.40, 4,430.22 and 2,651.54

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Solution

The fourth proportional to 3,214.40, 4,430.22 and 2,651.54 is: 3,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.40 : 4,430.22 = 2,651.54 : x
  2. Step 2: Convert to fraction form
    3,214.40/4,430.22 = 2,651.54/x
  3. Step 3: Cross multiply
    3,214.40x = 4,430.22 × 2,651.54
  4. Step 4: Simplify right side
    3,214.40x = 11,746,905.54
  5. Step 5: Solve for x
    x = 11,746,905.54/3,214.40
  6. Step 6: Final answer
    x = 3,654.46

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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.