Home / 3,254.76-4,490.91-1,928.93

Finding the Fourth Proportional to 3,254.76, 4,490.91 and 1,928.93

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Solution

The fourth proportional to 3,254.76, 4,490.91 and 1,928.93 is: 2,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.76 : 4,490.91 = 1,928.93 : x
  2. Step 2: Convert to fraction form
    3,254.76/4,490.91 = 1,928.93/x
  3. Step 3: Cross multiply
    3,254.76x = 4,490.91 × 1,928.93
  4. Step 4: Simplify right side
    3,254.76x = 8,662,628.57
  5. Step 5: Solve for x
    x = 8,662,628.57/3,254.76
  6. Step 6: Final answer
    x = 2,661.53

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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.