Home / 2,107.63-2,908.53-1,176.13

Finding the Fourth Proportional to 2,107.63, 2,908.53 and 1,176.13

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Solution

The fourth proportional to 2,107.63, 2,908.53 and 1,176.13 is: 1,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.63 : 2,908.53 = 1,176.13 : x
  2. Step 2: Convert to fraction form
    2,107.63/2,908.53 = 1,176.13/x
  3. Step 3: Cross multiply
    2,107.63x = 2,908.53 × 1,176.13
  4. Step 4: Simplify right side
    2,107.63x = 3,420,788.97
  5. Step 5: Solve for x
    x = 3,420,788.97/2,107.63
  6. Step 6: Final answer
    x = 1,623.05

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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.