Home / 3,540.76-4,886.20-2,048.64

Finding the Fourth Proportional to 3,540.76, 4,886.20 and 2,048.64

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Solution

The fourth proportional to 3,540.76, 4,886.20 and 2,048.64 is: 2,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.76 : 4,886.20 = 2,048.64 : x
  2. Step 2: Convert to fraction form
    3,540.76/4,886.20 = 2,048.64/x
  3. Step 3: Cross multiply
    3,540.76x = 4,886.20 × 2,048.64
  4. Step 4: Simplify right side
    3,540.76x = 10,010,054.52
  5. Step 5: Solve for x
    x = 10,010,054.52/3,540.76
  6. Step 6: Final answer
    x = 2,827.10

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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.