Home / 3,900.61-5,849.70-1,302.94

Finding the Fourth Proportional to 3,900.61, 5,849.70 and 1,302.94

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Solution

The fourth proportional to 3,900.61, 5,849.70 and 1,302.94 is: 1,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.61 : 5,849.70 = 1,302.94 : x
  2. Step 2: Convert to fraction form
    3,900.61/5,849.70 = 1,302.94/x
  3. Step 3: Cross multiply
    3,900.61x = 5,849.70 × 1,302.94
  4. Step 4: Simplify right side
    3,900.61x = 7,621,788.61
  5. Step 5: Solve for x
    x = 7,621,788.61/3,900.61
  6. Step 6: Final answer
    x = 1,954.00

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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.