Home / 2,802.63-3,867.42-1,623.48

Finding the Fourth Proportional to 2,802.63, 3,867.42 and 1,623.48

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Solution

The fourth proportional to 2,802.63, 3,867.42 and 1,623.48 is: 2,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.63 : 3,867.42 = 1,623.48 : x
  2. Step 2: Convert to fraction form
    2,802.63/3,867.42 = 1,623.48/x
  3. Step 3: Cross multiply
    2,802.63x = 3,867.42 × 1,623.48
  4. Step 4: Simplify right side
    2,802.63x = 6,278,679.02
  5. Step 5: Solve for x
    x = 6,278,679.02/2,802.63
  6. Step 6: Final answer
    x = 2,240.28

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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.