Home / 3,448.01-4,756.28-2,120.78

Finding the Fourth Proportional to 3,448.01, 4,756.28 and 2,120.78

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Solution

The fourth proportional to 3,448.01, 4,756.28 and 2,120.78 is: 2,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.01 : 4,756.28 = 2,120.78 : x
  2. Step 2: Convert to fraction form
    3,448.01/4,756.28 = 2,120.78/x
  3. Step 3: Cross multiply
    3,448.01x = 4,756.28 × 2,120.78
  4. Step 4: Simplify right side
    3,448.01x = 10,086,989.11
  5. Step 5: Solve for x
    x = 10,086,989.11/3,448.01
  6. Step 6: Final answer
    x = 2,925.46

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