Home / 3,763.58-5,641.99-1,423.15

Finding the Fourth Proportional to 3,763.58, 5,641.99 and 1,423.15

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Solution

The fourth proportional to 3,763.58, 5,641.99 and 1,423.15 is: 2,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.58 : 5,641.99 = 1,423.15 : x
  2. Step 2: Convert to fraction form
    3,763.58/5,641.99 = 1,423.15/x
  3. Step 3: Cross multiply
    3,763.58x = 5,641.99 × 1,423.15
  4. Step 4: Simplify right side
    3,763.58x = 8,029,398.07
  5. Step 5: Solve for x
    x = 8,029,398.07/3,763.58
  6. Step 6: Final answer
    x = 2,133.45

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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.