Home / 2,669.33-3,685.03-1,830.38

Finding the Fourth Proportional to 2,669.33, 3,685.03 and 1,830.38

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Solution

The fourth proportional to 2,669.33, 3,685.03 and 1,830.38 is: 2,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.33 : 3,685.03 = 1,830.38 : x
  2. Step 2: Convert to fraction form
    2,669.33/3,685.03 = 1,830.38/x
  3. Step 3: Cross multiply
    2,669.33x = 3,685.03 × 1,830.38
  4. Step 4: Simplify right side
    2,669.33x = 6,744,982.21
  5. Step 5: Solve for x
    x = 6,744,982.21/2,669.33
  6. Step 6: Final answer
    x = 2,526.84

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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.