Home / 2,368.28-3,270.28-1,485.60

Finding the Fourth Proportional to 2,368.28, 3,270.28 and 1,485.60

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Solution

The fourth proportional to 2,368.28, 3,270.28 and 1,485.60 is: 2,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.28 : 3,270.28 = 1,485.60 : x
  2. Step 2: Convert to fraction form
    2,368.28/3,270.28 = 1,485.60/x
  3. Step 3: Cross multiply
    2,368.28x = 3,270.28 × 1,485.60
  4. Step 4: Simplify right side
    2,368.28x = 4,858,327.97
  5. Step 5: Solve for x
    x = 4,858,327.97/2,368.28
  6. Step 6: Final answer
    x = 2,051.42

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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.