Home / 3,213.50-4,820.69-1,133.02

Finding the Fourth Proportional to 3,213.50, 4,820.69 and 1,133.02

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Solution

The fourth proportional to 3,213.50, 4,820.69 and 1,133.02 is: 1,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.50 : 4,820.69 = 1,133.02 : x
  2. Step 2: Convert to fraction form
    3,213.50/4,820.69 = 1,133.02/x
  3. Step 3: Cross multiply
    3,213.50x = 4,820.69 × 1,133.02
  4. Step 4: Simplify right side
    3,213.50x = 5,461,920.47
  5. Step 5: Solve for x
    x = 5,461,920.47/3,213.50
  6. Step 6: Final answer
    x = 1,699.68

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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.