Home / 3,457.26-5,184.81-1,265.49

Finding the Fourth Proportional to 3,457.26, 5,184.81 and 1,265.49

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Solution

The fourth proportional to 3,457.26, 5,184.81 and 1,265.49 is: 1,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.26 : 5,184.81 = 1,265.49 : x
  2. Step 2: Convert to fraction form
    3,457.26/5,184.81 = 1,265.49/x
  3. Step 3: Cross multiply
    3,457.26x = 5,184.81 × 1,265.49
  4. Step 4: Simplify right side
    3,457.26x = 6,561,325.21
  5. Step 5: Solve for x
    x = 6,561,325.21/3,457.26
  6. Step 6: Final answer
    x = 1,897.84

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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.