Home / 3,214.22-4,820.65-1,239.17

Finding the Fourth Proportional to 3,214.22, 4,820.65 and 1,239.17

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Solution

The fourth proportional to 3,214.22, 4,820.65 and 1,239.17 is: 1,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.22 : 4,820.65 = 1,239.17 : x
  2. Step 2: Convert to fraction form
    3,214.22/4,820.65 = 1,239.17/x
  3. Step 3: Cross multiply
    3,214.22x = 4,820.65 × 1,239.17
  4. Step 4: Simplify right side
    3,214.22x = 5,973,585.23
  5. Step 5: Solve for x
    x = 5,973,585.23/3,214.22
  6. Step 6: Final answer
    x = 1,858.49

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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.