Home / 2,865.24-4,292.32-1,628.92

Finding the Fourth Proportional to 2,865.24, 4,292.32 and 1,628.92

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Solution

The fourth proportional to 2,865.24, 4,292.32 and 1,628.92 is: 2,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.24 : 4,292.32 = 1,628.92 : x
  2. Step 2: Convert to fraction form
    2,865.24/4,292.32 = 1,628.92/x
  3. Step 3: Cross multiply
    2,865.24x = 4,292.32 × 1,628.92
  4. Step 4: Simplify right side
    2,865.24x = 6,991,845.89
  5. Step 5: Solve for x
    x = 6,991,845.89/2,865.24
  6. Step 6: Final answer
    x = 2,440.23

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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.