Home / 3,310.21-4,957.75-1,580.05

Finding the Fourth Proportional to 3,310.21, 4,957.75 and 1,580.05

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Solution

The fourth proportional to 3,310.21, 4,957.75 and 1,580.05 is: 2,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.21 : 4,957.75 = 1,580.05 : x
  2. Step 2: Convert to fraction form
    3,310.21/4,957.75 = 1,580.05/x
  3. Step 3: Cross multiply
    3,310.21x = 4,957.75 × 1,580.05
  4. Step 4: Simplify right side
    3,310.21x = 7,833,492.89
  5. Step 5: Solve for x
    x = 7,833,492.89/3,310.21
  6. Step 6: Final answer
    x = 2,366.46

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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.