Home / 2,087.04-3,136.32-1,960.32

Finding the Fourth Proportional to 2,087.04, 3,136.32 and 1,960.32

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Solution

The fourth proportional to 2,087.04, 3,136.32 and 1,960.32 is: 2,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.04 : 3,136.32 = 1,960.32 : x
  2. Step 2: Convert to fraction form
    2,087.04/3,136.32 = 1,960.32/x
  3. Step 3: Cross multiply
    2,087.04x = 3,136.32 × 1,960.32
  4. Step 4: Simplify right side
    2,087.04x = 6,148,190.82
  5. Step 5: Solve for x
    x = 6,148,190.82/2,087.04
  6. Step 6: Final answer
    x = 2,945.89

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1.5x scale

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.