Home / 2,888.36-3,984.98-1,629.26

Finding the Fourth Proportional to 2,888.36, 3,984.98 and 1,629.26

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Solution

The fourth proportional to 2,888.36, 3,984.98 and 1,629.26 is: 2,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.36 : 3,984.98 = 1,629.26 : x
  2. Step 2: Convert to fraction form
    2,888.36/3,984.98 = 1,629.26/x
  3. Step 3: Cross multiply
    2,888.36x = 3,984.98 × 1,629.26
  4. Step 4: Simplify right side
    2,888.36x = 6,492,568.51
  5. Step 5: Solve for x
    x = 6,492,568.51/2,888.36
  6. Step 6: Final answer
    x = 2,247.84

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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.