Home / 1,975.84-2,960.25-1,153.42

Finding the Fourth Proportional to 1,975.84, 2,960.25 and 1,153.42

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Solution

The fourth proportional to 1,975.84, 2,960.25 and 1,153.42 is: 1,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.84 : 2,960.25 = 1,153.42 : x
  2. Step 2: Convert to fraction form
    1,975.84/2,960.25 = 1,153.42/x
  3. Step 3: Cross multiply
    1,975.84x = 2,960.25 × 1,153.42
  4. Step 4: Simplify right side
    1,975.84x = 3,414,411.56
  5. Step 5: Solve for x
    x = 3,414,411.56/1,975.84
  6. Step 6: Final answer
    x = 1,728.08

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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.