Home / 3,376.36-4,659.06-3,128.68

Finding the Fourth Proportional to 3,376.36, 4,659.06 and 3,128.68

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Solution

The fourth proportional to 3,376.36, 4,659.06 and 3,128.68 is: 4,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.36 : 4,659.06 = 3,128.68 : x
  2. Step 2: Convert to fraction form
    3,376.36/4,659.06 = 3,128.68/x
  3. Step 3: Cross multiply
    3,376.36x = 4,659.06 × 3,128.68
  4. Step 4: Simplify right side
    3,376.36x = 14,576,707.84
  5. Step 5: Solve for x
    x = 14,576,707.84/3,376.36
  6. Step 6: Final answer
    x = 4,317.28

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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.