Home / 3,664.48-5,056.93-1,985.86

Finding the Fourth Proportional to 3,664.48, 5,056.93 and 1,985.86

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Solution

The fourth proportional to 3,664.48, 5,056.93 and 1,985.86 is: 2,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.48 : 5,056.93 = 1,985.86 : x
  2. Step 2: Convert to fraction form
    3,664.48/5,056.93 = 1,985.86/x
  3. Step 3: Cross multiply
    3,664.48x = 5,056.93 × 1,985.86
  4. Step 4: Simplify right side
    3,664.48x = 10,042,355.01
  5. Step 5: Solve for x
    x = 10,042,355.01/3,664.48
  6. Step 6: Final answer
    x = 2,740.46

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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.