Home / 2,310.86-3,461.94-1,430.60

Finding the Fourth Proportional to 2,310.86, 3,461.94 and 1,430.60

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Solution

The fourth proportional to 2,310.86, 3,461.94 and 1,430.60 is: 2,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.86 : 3,461.94 = 1,430.60 : x
  2. Step 2: Convert to fraction form
    2,310.86/3,461.94 = 1,430.60/x
  3. Step 3: Cross multiply
    2,310.86x = 3,461.94 × 1,430.60
  4. Step 4: Simplify right side
    2,310.86x = 4,952,634.05
  5. Step 5: Solve for x
    x = 4,952,634.05/2,310.86
  6. Step 6: Final answer
    x = 2,143.20

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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.