Home / 3,315.06-4,574.59-1,822.69

Finding the Fourth Proportional to 3,315.06, 4,574.59 and 1,822.69

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Solution

The fourth proportional to 3,315.06, 4,574.59 and 1,822.69 is: 2,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.06 : 4,574.59 = 1,822.69 : x
  2. Step 2: Convert to fraction form
    3,315.06/4,574.59 = 1,822.69/x
  3. Step 3: Cross multiply
    3,315.06x = 4,574.59 × 1,822.69
  4. Step 4: Simplify right side
    3,315.06x = 8,338,059.45
  5. Step 5: Solve for x
    x = 8,338,059.45/3,315.06
  6. Step 6: Final answer
    x = 2,515.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.