Home / 3,623.34-5,435-1,026.28

Finding the Fourth Proportional to 3,623.34, 5,435 and 1,026.28

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Solution

The fourth proportional to 3,623.34, 5,435 and 1,026.28 is: 1,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.34 : 5,435 = 1,026.28 : x
  2. Step 2: Convert to fraction form
    3,623.34/5,435 = 1,026.28/x
  3. Step 3: Cross multiply
    3,623.34x = 5,435 × 1,026.28
  4. Step 4: Simplify right side
    3,623.34x = 5,577,831.80
  5. Step 5: Solve for x
    x = 5,577,831.80/3,623.34
  6. Step 6: Final answer
    x = 1,539.42

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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.