Home / 3,820.88-5,730.68-1,047.07

Finding the Fourth Proportional to 3,820.88, 5,730.68 and 1,047.07

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Solution

The fourth proportional to 3,820.88, 5,730.68 and 1,047.07 is: 1,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.88 : 5,730.68 = 1,047.07 : x
  2. Step 2: Convert to fraction form
    3,820.88/5,730.68 = 1,047.07/x
  3. Step 3: Cross multiply
    3,820.88x = 5,730.68 × 1,047.07
  4. Step 4: Simplify right side
    3,820.88x = 6,000,432.89
  5. Step 5: Solve for x
    x = 6,000,432.89/3,820.88
  6. Step 6: Final answer
    x = 1,570.43

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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.