Home / 2,829.60-4,245.84-1,271.52

Finding the Fourth Proportional to 2,829.60, 4,245.84 and 1,271.52

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Solution

The fourth proportional to 2,829.60, 4,245.84 and 1,271.52 is: 1,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.60 : 4,245.84 = 1,271.52 : x
  2. Step 2: Convert to fraction form
    2,829.60/4,245.84 = 1,271.52/x
  3. Step 3: Cross multiply
    2,829.60x = 4,245.84 × 1,271.52
  4. Step 4: Simplify right side
    2,829.60x = 5,398,670.48
  5. Step 5: Solve for x
    x = 5,398,670.48/2,829.60
  6. Step 6: Final answer
    x = 1,907.93

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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.