Home / 3,409.36-4,705.02-2,214.64

Finding the Fourth Proportional to 3,409.36, 4,705.02 and 2,214.64

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Solution

The fourth proportional to 3,409.36, 4,705.02 and 2,214.64 is: 3,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.36 : 4,705.02 = 2,214.64 : x
  2. Step 2: Convert to fraction form
    3,409.36/4,705.02 = 2,214.64/x
  3. Step 3: Cross multiply
    3,409.36x = 4,705.02 × 2,214.64
  4. Step 4: Simplify right side
    3,409.36x = 10,419,925.49
  5. Step 5: Solve for x
    x = 10,419,925.49/3,409.36
  6. Step 6: Final answer
    x = 3,056.27

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1.5x scale

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.