Home / 2,928.24-4,393.08-2,688.24

Finding the Fourth Proportional to 2,928.24, 4,393.08 and 2,688.24

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Solution

The fourth proportional to 2,928.24, 4,393.08 and 2,688.24 is: 4,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.24 : 4,393.08 = 2,688.24 : x
  2. Step 2: Convert to fraction form
    2,928.24/4,393.08 = 2,688.24/x
  3. Step 3: Cross multiply
    2,928.24x = 4,393.08 × 2,688.24
  4. Step 4: Simplify right side
    2,928.24x = 11,809,653.38
  5. Step 5: Solve for x
    x = 11,809,653.38/2,928.24
  6. Step 6: Final answer
    x = 4,033.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.