Home / 3,239.90-4,860.56-1,048.85

Finding the Fourth Proportional to 3,239.90, 4,860.56 and 1,048.85

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Solution

The fourth proportional to 3,239.90, 4,860.56 and 1,048.85 is: 1,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.90 : 4,860.56 = 1,048.85 : x
  2. Step 2: Convert to fraction form
    3,239.90/4,860.56 = 1,048.85/x
  3. Step 3: Cross multiply
    3,239.90x = 4,860.56 × 1,048.85
  4. Step 4: Simplify right side
    3,239.90x = 5,097,993.11
  5. Step 5: Solve for x
    x = 5,097,993.11/3,239.90
  6. Step 6: Final answer
    x = 1,573.50

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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.