Home / 2,858.28-4,287.41-1,877.29

Finding the Fourth Proportional to 2,858.28, 4,287.41 and 1,877.29

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Solution

The fourth proportional to 2,858.28, 4,287.41 and 1,877.29 is: 2,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.28 : 4,287.41 = 1,877.29 : x
  2. Step 2: Convert to fraction form
    2,858.28/4,287.41 = 1,877.29/x
  3. Step 3: Cross multiply
    2,858.28x = 4,287.41 × 1,877.29
  4. Step 4: Simplify right side
    2,858.28x = 8,048,690.48
  5. Step 5: Solve for x
    x = 8,048,690.48/2,858.28
  6. Step 6: Final answer
    x = 2,815.92

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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.