Home / 3,783.07-5,669.40-1,930.29

Finding the Fourth Proportional to 3,783.07, 5,669.40 and 1,930.29

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Solution

The fourth proportional to 3,783.07, 5,669.40 and 1,930.29 is: 2,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.07 : 5,669.40 = 1,930.29 : x
  2. Step 2: Convert to fraction form
    3,783.07/5,669.40 = 1,930.29/x
  3. Step 3: Cross multiply
    3,783.07x = 5,669.40 × 1,930.29
  4. Step 4: Simplify right side
    3,783.07x = 10,943,572.10
  5. Step 5: Solve for x
    x = 10,943,572.10/3,783.07
  6. Step 6: Final answer
    x = 2,892.77

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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.