Home / 3,220.20-4,830.93-1,029.15

Finding the Fourth Proportional to 3,220.20, 4,830.93 and 1,029.15

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Solution

The fourth proportional to 3,220.20, 4,830.93 and 1,029.15 is: 1,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.20 : 4,830.93 = 1,029.15 : x
  2. Step 2: Convert to fraction form
    3,220.20/4,830.93 = 1,029.15/x
  3. Step 3: Cross multiply
    3,220.20x = 4,830.93 × 1,029.15
  4. Step 4: Simplify right side
    3,220.20x = 4,971,751.61
  5. Step 5: Solve for x
    x = 4,971,751.61/3,220.20
  6. Step 6: Final answer
    x = 1,543.93

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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.