Home / 3,500.07-4,830.09-1,928.16

Finding the Fourth Proportional to 3,500.07, 4,830.09 and 1,928.16

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Solution

The fourth proportional to 3,500.07, 4,830.09 and 1,928.16 is: 2,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.07 : 4,830.09 = 1,928.16 : x
  2. Step 2: Convert to fraction form
    3,500.07/4,830.09 = 1,928.16/x
  3. Step 3: Cross multiply
    3,500.07x = 4,830.09 × 1,928.16
  4. Step 4: Simplify right side
    3,500.07x = 9,313,186.33
  5. Step 5: Solve for x
    x = 9,313,186.33/3,500.07
  6. Step 6: Final answer
    x = 2,660.86

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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.