Home / 3,210.79-4,431.93-1,884.46

Finding the Fourth Proportional to 3,210.79, 4,431.93 and 1,884.46

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Solution

The fourth proportional to 3,210.79, 4,431.93 and 1,884.46 is: 2,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.79 : 4,431.93 = 1,884.46 : x
  2. Step 2: Convert to fraction form
    3,210.79/4,431.93 = 1,884.46/x
  3. Step 3: Cross multiply
    3,210.79x = 4,431.93 × 1,884.46
  4. Step 4: Simplify right side
    3,210.79x = 8,351,772.65
  5. Step 5: Solve for x
    x = 8,351,772.65/3,210.79
  6. Step 6: Final answer
    x = 2,601.16

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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.