Home / 4,128.91-5,698.15-2,360.48

Finding the Fourth Proportional to 4,128.91, 5,698.15 and 2,360.48

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Solution

The fourth proportional to 4,128.91, 5,698.15 and 2,360.48 is: 3,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.91 : 5,698.15 = 2,360.48 : x
  2. Step 2: Convert to fraction form
    4,128.91/5,698.15 = 2,360.48/x
  3. Step 3: Cross multiply
    4,128.91x = 5,698.15 × 2,360.48
  4. Step 4: Simplify right side
    4,128.91x = 13,450,334.72
  5. Step 5: Solve for x
    x = 13,450,334.72/4,128.91
  6. Step 6: Final answer
    x = 3,257.60

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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.