Home / 2,211.71-3,316.23-1,041.98

Finding the Fourth Proportional to 2,211.71, 3,316.23 and 1,041.98

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Solution

The fourth proportional to 2,211.71, 3,316.23 and 1,041.98 is: 1,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.71 : 3,316.23 = 1,041.98 : x
  2. Step 2: Convert to fraction form
    2,211.71/3,316.23 = 1,041.98/x
  3. Step 3: Cross multiply
    2,211.71x = 3,316.23 × 1,041.98
  4. Step 4: Simplify right side
    2,211.71x = 3,455,428.75
  5. Step 5: Solve for x
    x = 3,455,428.75/2,211.71
  6. Step 6: Final answer
    x = 1,562.34

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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.