Home / 4,230.60-5,836.16-2,739.80

Finding the Fourth Proportional to 4,230.60, 5,836.16 and 2,739.80

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Solution

The fourth proportional to 4,230.60, 5,836.16 and 2,739.80 is: 3,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.60 : 5,836.16 = 2,739.80 : x
  2. Step 2: Convert to fraction form
    4,230.60/5,836.16 = 2,739.80/x
  3. Step 3: Cross multiply
    4,230.60x = 5,836.16 × 2,739.80
  4. Step 4: Simplify right side
    4,230.60x = 15,989,868.29
  5. Step 5: Solve for x
    x = 15,989,868.29/4,230.60
  6. Step 6: Final answer
    x = 3,779.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.