Home / 3,904.02-5,384.57-2,487.96

Finding the Fourth Proportional to 3,904.02, 5,384.57 and 2,487.96

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Solution

The fourth proportional to 3,904.02, 5,384.57 and 2,487.96 is: 3,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.02 : 5,384.57 = 2,487.96 : x
  2. Step 2: Convert to fraction form
    3,904.02/5,384.57 = 2,487.96/x
  3. Step 3: Cross multiply
    3,904.02x = 5,384.57 × 2,487.96
  4. Step 4: Simplify right side
    3,904.02x = 13,396,582.34
  5. Step 5: Solve for x
    x = 13,396,582.34/3,904.02
  6. Step 6: Final answer
    x = 3,431.48

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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.