Home / 3,807.07-5,254.40-2,214.64

Finding the Fourth Proportional to 3,807.07, 5,254.40 and 2,214.64

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Solution

The fourth proportional to 3,807.07, 5,254.40 and 2,214.64 is: 3,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.07 : 5,254.40 = 2,214.64 : x
  2. Step 2: Convert to fraction form
    3,807.07/5,254.40 = 2,214.64/x
  3. Step 3: Cross multiply
    3,807.07x = 5,254.40 × 2,214.64
  4. Step 4: Simplify right side
    3,807.07x = 11,636,578.66
  5. Step 5: Solve for x
    x = 11,636,578.66/3,807.07
  6. Step 6: Final answer
    x = 3,056.57

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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.