Home / 3,646.71-5,028.30-2,998.08

Finding the Fourth Proportional to 3,646.71, 5,028.30 and 2,998.08

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Solution

The fourth proportional to 3,646.71, 5,028.30 and 2,998.08 is: 4,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.71 : 5,028.30 = 2,998.08 : x
  2. Step 2: Convert to fraction form
    3,646.71/5,028.30 = 2,998.08/x
  3. Step 3: Cross multiply
    3,646.71x = 5,028.30 × 2,998.08
  4. Step 4: Simplify right side
    3,646.71x = 15,075,245.66
  5. Step 5: Solve for x
    x = 15,075,245.66/3,646.71
  6. Step 6: Final answer
    x = 4,133.93

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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.