Home / 3,763.20-5,641.08-1,785.35

Finding the Fourth Proportional to 3,763.20, 5,641.08 and 1,785.35

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Solution

The fourth proportional to 3,763.20, 5,641.08 and 1,785.35 is: 2,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.20 : 5,641.08 = 1,785.35 : x
  2. Step 2: Convert to fraction form
    3,763.20/5,641.08 = 1,785.35/x
  3. Step 3: Cross multiply
    3,763.20x = 5,641.08 × 1,785.35
  4. Step 4: Simplify right side
    3,763.20x = 10,071,302.18
  5. Step 5: Solve for x
    x = 10,071,302.18/3,763.20
  6. Step 6: Final answer
    x = 2,676.26

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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.