Home / 2,820.47-4,229.53-1,065.16

Finding the Fourth Proportional to 2,820.47, 4,229.53 and 1,065.16

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Solution

The fourth proportional to 2,820.47, 4,229.53 and 1,065.16 is: 1,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.47 : 4,229.53 = 1,065.16 : x
  2. Step 2: Convert to fraction form
    2,820.47/4,229.53 = 1,065.16/x
  3. Step 3: Cross multiply
    2,820.47x = 4,229.53 × 1,065.16
  4. Step 4: Simplify right side
    2,820.47x = 4,505,128.80
  5. Step 5: Solve for x
    x = 4,505,128.80/2,820.47
  6. Step 6: Final answer
    x = 1,597.30

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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.