Home / 3,213-4,820.02-1,133.56

Finding the Fourth Proportional to 3,213, 4,820.02 and 1,133.56

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Solution

The fourth proportional to 3,213, 4,820.02 and 1,133.56 is: 1,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213 : 4,820.02 = 1,133.56 : x
  2. Step 2: Convert to fraction form
    3,213/4,820.02 = 1,133.56/x
  3. Step 3: Cross multiply
    3,213x = 4,820.02 × 1,133.56
  4. Step 4: Simplify right side
    3,213x = 5,463,781.87
  5. Step 5: Solve for x
    x = 5,463,781.87/3,213
  6. Step 6: Final answer
    x = 1,700.52

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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.