Home / 3,220.31-4,830.91-1,029.06

Finding the Fourth Proportional to 3,220.31, 4,830.91 and 1,029.06

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Solution

The fourth proportional to 3,220.31, 4,830.91 and 1,029.06 is: 1,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.31 : 4,830.91 = 1,029.06 : x
  2. Step 2: Convert to fraction form
    3,220.31/4,830.91 = 1,029.06/x
  3. Step 3: Cross multiply
    3,220.31x = 4,830.91 × 1,029.06
  4. Step 4: Simplify right side
    3,220.31x = 4,971,293.67
  5. Step 5: Solve for x
    x = 4,971,293.67/3,220.31
  6. Step 6: Final answer
    x = 1,543.73

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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.