Home / 1,864.14-2,795.48-768.22

Finding the Fourth Proportional to 1,864.14, 2,795.48 and 768.22

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Solution

The fourth proportional to 1,864.14, 2,795.48 and 768.22 is: 1,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.14 : 2,795.48 = 768.22 : x
  2. Step 2: Convert to fraction form
    1,864.14/2,795.48 = 768.22/x
  3. Step 3: Cross multiply
    1,864.14x = 2,795.48 × 768.22
  4. Step 4: Simplify right side
    1,864.14x = 2,147,543.65
  5. Step 5: Solve for x
    x = 2,147,543.65/1,864.14
  6. Step 6: Final answer
    x = 1,152.03

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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.