Home / 2,333.22-3,220.31-1,339.17

Finding the Fourth Proportional to 2,333.22, 3,220.31 and 1,339.17

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Solution

The fourth proportional to 2,333.22, 3,220.31 and 1,339.17 is: 1,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.22 : 3,220.31 = 1,339.17 : x
  2. Step 2: Convert to fraction form
    2,333.22/3,220.31 = 1,339.17/x
  3. Step 3: Cross multiply
    2,333.22x = 3,220.31 × 1,339.17
  4. Step 4: Simplify right side
    2,333.22x = 4,312,542.54
  5. Step 5: Solve for x
    x = 4,312,542.54/2,333.22
  6. Step 6: Final answer
    x = 1,848.32

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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.