Home / 4,235.40-5,842.92-2,743.80

Finding the Fourth Proportional to 4,235.40, 5,842.92 and 2,743.80

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Solution

The fourth proportional to 4,235.40, 5,842.92 and 2,743.80 is: 3,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.40 : 5,842.92 = 2,743.80 : x
  2. Step 2: Convert to fraction form
    4,235.40/5,842.92 = 2,743.80/x
  3. Step 3: Cross multiply
    4,235.40x = 5,842.92 × 2,743.80
  4. Step 4: Simplify right side
    4,235.40x = 16,031,803.90
  5. Step 5: Solve for x
    x = 16,031,803.90/4,235.40
  6. Step 6: Final answer
    x = 3,785.19

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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.