Home / 3,820.68-5,730.98-1,047.26

Finding the Fourth Proportional to 3,820.68, 5,730.98 and 1,047.26

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Solution

The fourth proportional to 3,820.68, 5,730.98 and 1,047.26 is: 1,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.68 : 5,730.98 = 1,047.26 : x
  2. Step 2: Convert to fraction form
    3,820.68/5,730.98 = 1,047.26/x
  3. Step 3: Cross multiply
    3,820.68x = 5,730.98 × 1,047.26
  4. Step 4: Simplify right side
    3,820.68x = 6,001,835.21
  5. Step 5: Solve for x
    x = 6,001,835.21/3,820.68
  6. Step 6: Final answer
    x = 1,570.88

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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.