Home / 2,331.65-3,217.83-1,283.69

Finding the Fourth Proportional to 2,331.65, 3,217.83 and 1,283.69

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Solution

The fourth proportional to 2,331.65, 3,217.83 and 1,283.69 is: 1,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.65 : 3,217.83 = 1,283.69 : x
  2. Step 2: Convert to fraction form
    2,331.65/3,217.83 = 1,283.69/x
  3. Step 3: Cross multiply
    2,331.65x = 3,217.83 × 1,283.69
  4. Step 4: Simplify right side
    2,331.65x = 4,130,696.19
  5. Step 5: Solve for x
    x = 4,130,696.19/2,331.65
  6. Step 6: Final answer
    x = 1,771.58

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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.