Home / 2,442.20-3,370.19-1,323.13

Finding the Fourth Proportional to 2,442.20, 3,370.19 and 1,323.13

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Solution

The fourth proportional to 2,442.20, 3,370.19 and 1,323.13 is: 1,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.20 : 3,370.19 = 1,323.13 : x
  2. Step 2: Convert to fraction form
    2,442.20/3,370.19 = 1,323.13/x
  3. Step 3: Cross multiply
    2,442.20x = 3,370.19 × 1,323.13
  4. Step 4: Simplify right side
    2,442.20x = 4,459,199.49
  5. Step 5: Solve for x
    x = 4,459,199.49/2,442.20
  6. Step 6: Final answer
    x = 1,825.89

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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.