Home / 2,211.44-3,303.78-1,425.03

Finding the Fourth Proportional to 2,211.44, 3,303.78 and 1,425.03

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Solution

The fourth proportional to 2,211.44, 3,303.78 and 1,425.03 is: 2,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.44 : 3,303.78 = 1,425.03 : x
  2. Step 2: Convert to fraction form
    2,211.44/3,303.78 = 1,425.03/x
  3. Step 3: Cross multiply
    2,211.44x = 3,303.78 × 1,425.03
  4. Step 4: Simplify right side
    2,211.44x = 4,707,985.61
  5. Step 5: Solve for x
    x = 4,707,985.61/2,211.44
  6. Step 6: Final answer
    x = 2,128.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.