Home / 3,356.93-4,632.80-1,940.87

Finding the Fourth Proportional to 3,356.93, 4,632.80 and 1,940.87

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Solution

The fourth proportional to 3,356.93, 4,632.80 and 1,940.87 is: 2,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.93 : 4,632.80 = 1,940.87 : x
  2. Step 2: Convert to fraction form
    3,356.93/4,632.80 = 1,940.87/x
  3. Step 3: Cross multiply
    3,356.93x = 4,632.80 × 1,940.87
  4. Step 4: Simplify right side
    3,356.93x = 8,991,652.83
  5. Step 5: Solve for x
    x = 8,991,652.83/3,356.93
  6. Step 6: Final answer
    x = 2,678.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.