Home / 2,928.24-4,039.60-1,748.64

Finding the Fourth Proportional to 2,928.24, 4,039.60 and 1,748.64

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Solution

The fourth proportional to 2,928.24, 4,039.60 and 1,748.64 is: 2,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.24 : 4,039.60 = 1,748.64 : x
  2. Step 2: Convert to fraction form
    2,928.24/4,039.60 = 1,748.64/x
  3. Step 3: Cross multiply
    2,928.24x = 4,039.60 × 1,748.64
  4. Step 4: Simplify right side
    2,928.24x = 7,063,806.14
  5. Step 5: Solve for x
    x = 7,063,806.14/2,928.24
  6. Step 6: Final answer
    x = 2,412.30

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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.