Home / 2,858.08-4,287.48-1,102.68

Finding the Fourth Proportional to 2,858.08, 4,287.48 and 1,102.68

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Solution

The fourth proportional to 2,858.08, 4,287.48 and 1,102.68 is: 1,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.08 : 4,287.48 = 1,102.68 : x
  2. Step 2: Convert to fraction form
    2,858.08/4,287.48 = 1,102.68/x
  3. Step 3: Cross multiply
    2,858.08x = 4,287.48 × 1,102.68
  4. Step 4: Simplify right side
    2,858.08x = 4,727,718.45
  5. Step 5: Solve for x
    x = 4,727,718.45/2,858.08
  6. Step 6: Final answer
    x = 1,654.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.