Home / 3,506.40-4,829.31-2,759.22

Finding the Fourth Proportional to 3,506.40, 4,829.31 and 2,759.22

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Solution

The fourth proportional to 3,506.40, 4,829.31 and 2,759.22 is: 3,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.40 : 4,829.31 = 2,759.22 : x
  2. Step 2: Convert to fraction form
    3,506.40/4,829.31 = 2,759.22/x
  3. Step 3: Cross multiply
    3,506.40x = 4,829.31 × 2,759.22
  4. Step 4: Simplify right side
    3,506.40x = 13,325,128.74
  5. Step 5: Solve for x
    x = 13,325,128.74/3,506.40
  6. Step 6: Final answer
    x = 3,800.23

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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.