Home / 3,607.53-5,411.32-1,142.36

Finding the Fourth Proportional to 3,607.53, 5,411.32 and 1,142.36

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Solution

The fourth proportional to 3,607.53, 5,411.32 and 1,142.36 is: 1,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.53 : 5,411.32 = 1,142.36 : x
  2. Step 2: Convert to fraction form
    3,607.53/5,411.32 = 1,142.36/x
  3. Step 3: Cross multiply
    3,607.53x = 5,411.32 × 1,142.36
  4. Step 4: Simplify right side
    3,607.53x = 6,181,675.52
  5. Step 5: Solve for x
    x = 6,181,675.52/3,607.53
  6. Step 6: Final answer
    x = 1,713.55

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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.