Home / 3,368.69-4,645.04-2,896.05

Finding the Fourth Proportional to 3,368.69, 4,645.04 and 2,896.05

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Solution

The fourth proportional to 3,368.69, 4,645.04 and 2,896.05 is: 3,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.69 : 4,645.04 = 2,896.05 : x
  2. Step 2: Convert to fraction form
    3,368.69/4,645.04 = 2,896.05/x
  3. Step 3: Cross multiply
    3,368.69x = 4,645.04 × 2,896.05
  4. Step 4: Simplify right side
    3,368.69x = 13,452,253.61
  5. Step 5: Solve for x
    x = 13,452,253.61/3,368.69
  6. Step 6: Final answer
    x = 3,993.32

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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.