Home / 2,741.40-4,113.90-1,355.67

Finding the Fourth Proportional to 2,741.40, 4,113.90 and 1,355.67

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Solution

The fourth proportional to 2,741.40, 4,113.90 and 1,355.67 is: 2,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.40 : 4,113.90 = 1,355.67 : x
  2. Step 2: Convert to fraction form
    2,741.40/4,113.90 = 1,355.67/x
  3. Step 3: Cross multiply
    2,741.40x = 4,113.90 × 1,355.67
  4. Step 4: Simplify right side
    2,741.40x = 5,577,090.81
  5. Step 5: Solve for x
    x = 5,577,090.81/2,741.40
  6. Step 6: Final answer
    x = 2,034.40

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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.