Home / 2,107.84-2,908.56-1,176.52

Finding the Fourth Proportional to 2,107.84, 2,908.56 and 1,176.52

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Solution

The fourth proportional to 2,107.84, 2,908.56 and 1,176.52 is: 1,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.84 : 2,908.56 = 1,176.52 : x
  2. Step 2: Convert to fraction form
    2,107.84/2,908.56 = 1,176.52/x
  3. Step 3: Cross multiply
    2,107.84x = 2,908.56 × 1,176.52
  4. Step 4: Simplify right side
    2,107.84x = 3,421,979.01
  5. Step 5: Solve for x
    x = 3,421,979.01/2,107.84
  6. Step 6: Final answer
    x = 1,623.45

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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.