Home / 2,928.60-4,040.96-1,734.57

Finding the Fourth Proportional to 2,928.60, 4,040.96 and 1,734.57

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Solution

The fourth proportional to 2,928.60, 4,040.96 and 1,734.57 is: 2,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.60 : 4,040.96 = 1,734.57 : x
  2. Step 2: Convert to fraction form
    2,928.60/4,040.96 = 1,734.57/x
  3. Step 3: Cross multiply
    2,928.60x = 4,040.96 × 1,734.57
  4. Step 4: Simplify right side
    2,928.60x = 7,009,319.31
  5. Step 5: Solve for x
    x = 7,009,319.31/2,928.60
  6. Step 6: Final answer
    x = 2,393.40

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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.