Home / 2,838.16-4,259.67-2,171.26

Finding the Fourth Proportional to 2,838.16, 4,259.67 and 2,171.26

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Solution

The fourth proportional to 2,838.16, 4,259.67 and 2,171.26 is: 3,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.16 : 4,259.67 = 2,171.26 : x
  2. Step 2: Convert to fraction form
    2,838.16/4,259.67 = 2,171.26/x
  3. Step 3: Cross multiply
    2,838.16x = 4,259.67 × 2,171.26
  4. Step 4: Simplify right side
    2,838.16x = 9,248,851.08
  5. Step 5: Solve for x
    x = 9,248,851.08/2,838.16
  6. Step 6: Final answer
    x = 3,258.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.