Home / 2,881.16-3,975.48-1,622.24

Finding the Fourth Proportional to 2,881.16, 3,975.48 and 1,622.24

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Solution

The fourth proportional to 2,881.16, 3,975.48 and 1,622.24 is: 2,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.16 : 3,975.48 = 1,622.24 : x
  2. Step 2: Convert to fraction form
    2,881.16/3,975.48 = 1,622.24/x
  3. Step 3: Cross multiply
    2,881.16x = 3,975.48 × 1,622.24
  4. Step 4: Simplify right side
    2,881.16x = 6,449,182.68
  5. Step 5: Solve for x
    x = 6,449,182.68/2,881.16
  6. Step 6: Final answer
    x = 2,238.40

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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.