Home / 3,420.48-5,140.35-2,034.07

Finding the Fourth Proportional to 3,420.48, 5,140.35 and 2,034.07

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Solution

The fourth proportional to 3,420.48, 5,140.35 and 2,034.07 is: 3,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.48 : 5,140.35 = 2,034.07 : x
  2. Step 2: Convert to fraction form
    3,420.48/5,140.35 = 2,034.07/x
  3. Step 3: Cross multiply
    3,420.48x = 5,140.35 × 2,034.07
  4. Step 4: Simplify right side
    3,420.48x = 10,455,831.72
  5. Step 5: Solve for x
    x = 10,455,831.72/3,420.48
  6. Step 6: Final answer
    x = 3,056.83

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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.