Home / 3,457.20-5,184.28-1,265.36

Finding the Fourth Proportional to 3,457.20, 5,184.28 and 1,265.36

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Solution

The fourth proportional to 3,457.20, 5,184.28 and 1,265.36 is: 1,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.20 : 5,184.28 = 1,265.36 : x
  2. Step 2: Convert to fraction form
    3,457.20/5,184.28 = 1,265.36/x
  3. Step 3: Cross multiply
    3,457.20x = 5,184.28 × 1,265.36
  4. Step 4: Simplify right side
    3,457.20x = 6,559,980.54
  5. Step 5: Solve for x
    x = 6,559,980.54/3,457.20
  6. Step 6: Final answer
    x = 1,897.48

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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.