Home / 3,427.14-5,140.71-1,675.11

Finding the Fourth Proportional to 3,427.14, 5,140.71 and 1,675.11

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Solution

The fourth proportional to 3,427.14, 5,140.71 and 1,675.11 is: 2,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.14 : 5,140.71 = 1,675.11 : x
  2. Step 2: Convert to fraction form
    3,427.14/5,140.71 = 1,675.11/x
  3. Step 3: Cross multiply
    3,427.14x = 5,140.71 × 1,675.11
  4. Step 4: Simplify right side
    3,427.14x = 8,611,254.73
  5. Step 5: Solve for x
    x = 8,611,254.73/3,427.14
  6. Step 6: Final answer
    x = 2,512.67

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1.5x scale

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.