Home / 2,955.40-4,436.70-2,933.80

Finding the Fourth Proportional to 2,955.40, 4,436.70 and 2,933.80

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Solution

The fourth proportional to 2,955.40, 4,436.70 and 2,933.80 is: 4,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.40 : 4,436.70 = 2,933.80 : x
  2. Step 2: Convert to fraction form
    2,955.40/4,436.70 = 2,933.80/x
  3. Step 3: Cross multiply
    2,955.40x = 4,436.70 × 2,933.80
  4. Step 4: Simplify right side
    2,955.40x = 13,016,390.46
  5. Step 5: Solve for x
    x = 13,016,390.46/2,955.40
  6. Step 6: Final answer
    x = 4,404.27

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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.