Home / 3,455.06-4,767.80-1,962.94

Finding the Fourth Proportional to 3,455.06, 4,767.80 and 1,962.94

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Solution

The fourth proportional to 3,455.06, 4,767.80 and 1,962.94 is: 2,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.06 : 4,767.80 = 1,962.94 : x
  2. Step 2: Convert to fraction form
    3,455.06/4,767.80 = 1,962.94/x
  3. Step 3: Cross multiply
    3,455.06x = 4,767.80 × 1,962.94
  4. Step 4: Simplify right side
    3,455.06x = 9,358,905.33
  5. Step 5: Solve for x
    x = 9,358,905.33/3,455.06
  6. Step 6: Final answer
    x = 2,708.75

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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.