Home / 3,933.60-5,890.80-2,954.40

Finding the Fourth Proportional to 3,933.60, 5,890.80 and 2,954.40

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Solution

The fourth proportional to 3,933.60, 5,890.80 and 2,954.40 is: 4,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.60 : 5,890.80 = 2,954.40 : x
  2. Step 2: Convert to fraction form
    3,933.60/5,890.80 = 2,954.40/x
  3. Step 3: Cross multiply
    3,933.60x = 5,890.80 × 2,954.40
  4. Step 4: Simplify right side
    3,933.60x = 17,403,779.52
  5. Step 5: Solve for x
    x = 17,403,779.52/3,933.60
  6. Step 6: Final answer
    x = 4,424.39

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1.5x scale

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.