Home / 2,838.16-3,918.54-2,335.24

Finding the Fourth Proportional to 2,838.16, 3,918.54 and 2,335.24

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Solution

The fourth proportional to 2,838.16, 3,918.54 and 2,335.24 is: 3,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.16 : 3,918.54 = 2,335.24 : x
  2. Step 2: Convert to fraction form
    2,838.16/3,918.54 = 2,335.24/x
  3. Step 3: Cross multiply
    2,838.16x = 3,918.54 × 2,335.24
  4. Step 4: Simplify right side
    2,838.16x = 9,150,731.35
  5. Step 5: Solve for x
    x = 9,150,731.35/2,838.16
  6. Step 6: Final answer
    x = 3,224.18

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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.