Home / 4,069.44-5,615.28-2,390.64

Finding the Fourth Proportional to 4,069.44, 5,615.28 and 2,390.64

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Solution

The fourth proportional to 4,069.44, 5,615.28 and 2,390.64 is: 3,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.44 : 5,615.28 = 2,390.64 : x
  2. Step 2: Convert to fraction form
    4,069.44/5,615.28 = 2,390.64/x
  3. Step 3: Cross multiply
    4,069.44x = 5,615.28 × 2,390.64
  4. Step 4: Simplify right side
    4,069.44x = 13,424,112.98
  5. Step 5: Solve for x
    x = 13,424,112.98/4,069.44
  6. Step 6: Final answer
    x = 3,298.76

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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.