Home / 2,311.85-3,464.57-1,270.60

Finding the Fourth Proportional to 2,311.85, 3,464.57 and 1,270.60

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Solution

The fourth proportional to 2,311.85, 3,464.57 and 1,270.60 is: 1,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.85 : 3,464.57 = 1,270.60 : x
  2. Step 2: Convert to fraction form
    2,311.85/3,464.57 = 1,270.60/x
  3. Step 3: Cross multiply
    2,311.85x = 3,464.57 × 1,270.60
  4. Step 4: Simplify right side
    2,311.85x = 4,402,077.16
  5. Step 5: Solve for x
    x = 4,402,077.16/2,311.85
  6. Step 6: Final answer
    x = 1,904.13

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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.