Home / 2,905.37-4,356.20-1,343.28

Finding the Fourth Proportional to 2,905.37, 4,356.20 and 1,343.28

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Solution

The fourth proportional to 2,905.37, 4,356.20 and 1,343.28 is: 2,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.37 : 4,356.20 = 1,343.28 : x
  2. Step 2: Convert to fraction form
    2,905.37/4,356.20 = 1,343.28/x
  3. Step 3: Cross multiply
    2,905.37x = 4,356.20 × 1,343.28
  4. Step 4: Simplify right side
    2,905.37x = 5,851,596.34
  5. Step 5: Solve for x
    x = 5,851,596.34/2,905.37
  6. Step 6: Final answer
    x = 2,014.07

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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.