Home / 3,241.40-4,862.58-1,485.08

Finding the Fourth Proportional to 3,241.40, 4,862.58 and 1,485.08

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Solution

The fourth proportional to 3,241.40, 4,862.58 and 1,485.08 is: 2,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.40 : 4,862.58 = 1,485.08 : x
  2. Step 2: Convert to fraction form
    3,241.40/4,862.58 = 1,485.08/x
  3. Step 3: Cross multiply
    3,241.40x = 4,862.58 × 1,485.08
  4. Step 4: Simplify right side
    3,241.40x = 7,221,320.31
  5. Step 5: Solve for x
    x = 7,221,320.31/3,241.40
  6. Step 6: Final answer
    x = 2,227.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.