Home / 3,870.48-5,805.16-1,273.44

Finding the Fourth Proportional to 3,870.48, 5,805.16 and 1,273.44

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Solution

The fourth proportional to 3,870.48, 5,805.16 and 1,273.44 is: 1,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.48 : 5,805.16 = 1,273.44 : x
  2. Step 2: Convert to fraction form
    3,870.48/5,805.16 = 1,273.44/x
  3. Step 3: Cross multiply
    3,870.48x = 5,805.16 × 1,273.44
  4. Step 4: Simplify right side
    3,870.48x = 7,392,522.95
  5. Step 5: Solve for x
    x = 7,392,522.95/3,870.48
  6. Step 6: Final answer
    x = 1,909.98

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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.