Home / 3,905.02-5,389.83-2,393.03

Finding the Fourth Proportional to 3,905.02, 5,389.83 and 2,393.03

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Solution

The fourth proportional to 3,905.02, 5,389.83 and 2,393.03 is: 3,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.02 : 5,389.83 = 2,393.03 : x
  2. Step 2: Convert to fraction form
    3,905.02/5,389.83 = 2,393.03/x
  3. Step 3: Cross multiply
    3,905.02x = 5,389.83 × 2,393.03
  4. Step 4: Simplify right side
    3,905.02x = 12,898,024.88
  5. Step 5: Solve for x
    x = 12,898,024.88/3,905.02
  6. Step 6: Final answer
    x = 3,302.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.