Home / 2,962.78-4,088.70-1,703.79

Finding the Fourth Proportional to 2,962.78, 4,088.70 and 1,703.79

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Solution

The fourth proportional to 2,962.78, 4,088.70 and 1,703.79 is: 2,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.78 : 4,088.70 = 1,703.79 : x
  2. Step 2: Convert to fraction form
    2,962.78/4,088.70 = 1,703.79/x
  3. Step 3: Cross multiply
    2,962.78x = 4,088.70 × 1,703.79
  4. Step 4: Simplify right side
    2,962.78x = 6,966,286.17
  5. Step 5: Solve for x
    x = 6,966,286.17/2,962.78
  6. Step 6: Final answer
    x = 2,351.27

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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.