Home / 2,428.21-3,352.14-1,646.36

Finding the Fourth Proportional to 2,428.21, 3,352.14 and 1,646.36

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Solution

The fourth proportional to 2,428.21, 3,352.14 and 1,646.36 is: 2,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.21 : 3,352.14 = 1,646.36 : x
  2. Step 2: Convert to fraction form
    2,428.21/3,352.14 = 1,646.36/x
  3. Step 3: Cross multiply
    2,428.21x = 3,352.14 × 1,646.36
  4. Step 4: Simplify right side
    2,428.21x = 5,518,825.02
  5. Step 5: Solve for x
    x = 5,518,825.02/2,428.21
  6. Step 6: Final answer
    x = 2,272.79

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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.