Home / 2,146.42-3,220.80-1,495.90

Finding the Fourth Proportional to 2,146.42, 3,220.80 and 1,495.90

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Solution

The fourth proportional to 2,146.42, 3,220.80 and 1,495.90 is: 2,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.42 : 3,220.80 = 1,495.90 : x
  2. Step 2: Convert to fraction form
    2,146.42/3,220.80 = 1,495.90/x
  3. Step 3: Cross multiply
    2,146.42x = 3,220.80 × 1,495.90
  4. Step 4: Simplify right side
    2,146.42x = 4,817,994.72
  5. Step 5: Solve for x
    x = 4,817,994.72/2,146.42
  6. Step 6: Final answer
    x = 2,244.67

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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.