Home / 3,190.65-4,777.93-2,017.09

Finding the Fourth Proportional to 3,190.65, 4,777.93 and 2,017.09

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Solution

The fourth proportional to 3,190.65, 4,777.93 and 2,017.09 is: 3,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.65 : 4,777.93 = 2,017.09 : x
  2. Step 2: Convert to fraction form
    3,190.65/4,777.93 = 2,017.09/x
  3. Step 3: Cross multiply
    3,190.65x = 4,777.93 × 2,017.09
  4. Step 4: Simplify right side
    3,190.65x = 9,637,514.82
  5. Step 5: Solve for x
    x = 9,637,514.82/3,190.65
  6. Step 6: Final answer
    x = 3,020.55

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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.