Home / 3,499.80-4,829.43-2,223.57

Finding the Fourth Proportional to 3,499.80, 4,829.43 and 2,223.57

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Solution

The fourth proportional to 3,499.80, 4,829.43 and 2,223.57 is: 3,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.80 : 4,829.43 = 2,223.57 : x
  2. Step 2: Convert to fraction form
    3,499.80/4,829.43 = 2,223.57/x
  3. Step 3: Cross multiply
    3,499.80x = 4,829.43 × 2,223.57
  4. Step 4: Simplify right side
    3,499.80x = 10,738,575.67
  5. Step 5: Solve for x
    x = 10,738,575.67/3,499.80
  6. Step 6: Final answer
    x = 3,068.34

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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.