Home / 2,637.01-3,639.63-2,194.48

Finding the Fourth Proportional to 2,637.01, 3,639.63 and 2,194.48

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Solution

The fourth proportional to 2,637.01, 3,639.63 and 2,194.48 is: 3,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.01 : 3,639.63 = 2,194.48 : x
  2. Step 2: Convert to fraction form
    2,637.01/3,639.63 = 2,194.48/x
  3. Step 3: Cross multiply
    2,637.01x = 3,639.63 × 2,194.48
  4. Step 4: Simplify right side
    2,637.01x = 7,987,095.24
  5. Step 5: Solve for x
    x = 7,987,095.24/2,637.01
  6. Step 6: Final answer
    x = 3,028.85

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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.