Home / 3,875.28-5,807.40-2,883.60

Finding the Fourth Proportional to 3,875.28, 5,807.40 and 2,883.60

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Solution

The fourth proportional to 3,875.28, 5,807.40 and 2,883.60 is: 4,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.28 : 5,807.40 = 2,883.60 : x
  2. Step 2: Convert to fraction form
    3,875.28/5,807.40 = 2,883.60/x
  3. Step 3: Cross multiply
    3,875.28x = 5,807.40 × 2,883.60
  4. Step 4: Simplify right side
    3,875.28x = 16,746,218.64
  5. Step 5: Solve for x
    x = 16,746,218.64/3,875.28
  6. Step 6: Final answer
    x = 4,321.29

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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.