Home / 2,442.39-3,370.44-1,323.28

Finding the Fourth Proportional to 2,442.39, 3,370.44 and 1,323.28

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Solution

The fourth proportional to 2,442.39, 3,370.44 and 1,323.28 is: 1,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.39 : 3,370.44 = 1,323.28 : x
  2. Step 2: Convert to fraction form
    2,442.39/3,370.44 = 1,323.28/x
  3. Step 3: Cross multiply
    2,442.39x = 3,370.44 × 1,323.28
  4. Step 4: Simplify right side
    2,442.39x = 4,460,035.84
  5. Step 5: Solve for x
    x = 4,460,035.84/2,442.39
  6. Step 6: Final answer
    x = 1,826.09

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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.