Home / 3,213.95-4,821.29-1,133.51

Finding the Fourth Proportional to 3,213.95, 4,821.29 and 1,133.51

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Solution

The fourth proportional to 3,213.95, 4,821.29 and 1,133.51 is: 1,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.95 : 4,821.29 = 1,133.51 : x
  2. Step 2: Convert to fraction form
    3,213.95/4,821.29 = 1,133.51/x
  3. Step 3: Cross multiply
    3,213.95x = 4,821.29 × 1,133.51
  4. Step 4: Simplify right side
    3,213.95x = 5,464,950.65
  5. Step 5: Solve for x
    x = 5,464,950.65/3,213.95
  6. Step 6: Final answer
    x = 1,700.39

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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.