Home / 2,955.90-4,429.80-2,409.15

Finding the Fourth Proportional to 2,955.90, 4,429.80 and 2,409.15

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Solution

The fourth proportional to 2,955.90, 4,429.80 and 2,409.15 is: 3,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.90 : 4,429.80 = 2,409.15 : x
  2. Step 2: Convert to fraction form
    2,955.90/4,429.80 = 2,409.15/x
  3. Step 3: Cross multiply
    2,955.90x = 4,429.80 × 2,409.15
  4. Step 4: Simplify right side
    2,955.90x = 10,672,052.67
  5. Step 5: Solve for x
    x = 10,672,052.67/2,955.90
  6. Step 6: Final answer
    x = 3,610.42

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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.