Home / 2,383.12-3,288.18-1,335.16

Finding the Fourth Proportional to 2,383.12, 3,288.18 and 1,335.16

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Solution

The fourth proportional to 2,383.12, 3,288.18 and 1,335.16 is: 1,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.12 : 3,288.18 = 1,335.16 : x
  2. Step 2: Convert to fraction form
    2,383.12/3,288.18 = 1,335.16/x
  3. Step 3: Cross multiply
    2,383.12x = 3,288.18 × 1,335.16
  4. Step 4: Simplify right side
    2,383.12x = 4,390,246.41
  5. Step 5: Solve for x
    x = 4,390,246.41/2,383.12
  6. Step 6: Final answer
    x = 1,842.23

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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.