Home / 3,500.24-4,830.32-1,928.32

Finding the Fourth Proportional to 3,500.24, 4,830.32 and 1,928.32

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Solution

The fourth proportional to 3,500.24, 4,830.32 and 1,928.32 is: 2,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.24 : 4,830.32 = 1,928.32 : x
  2. Step 2: Convert to fraction form
    3,500.24/4,830.32 = 1,928.32/x
  3. Step 3: Cross multiply
    3,500.24x = 4,830.32 × 1,928.32
  4. Step 4: Simplify right side
    3,500.24x = 9,314,395.41
  5. Step 5: Solve for x
    x = 9,314,395.41/3,500.24
  6. Step 6: Final answer
    x = 2,661.08

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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.