Home / 3,580.40-4,940.60-2,836.24

Finding the Fourth Proportional to 3,580.40, 4,940.60 and 2,836.24

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Solution

The fourth proportional to 3,580.40, 4,940.60 and 2,836.24 is: 3,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.40 : 4,940.60 = 2,836.24 : x
  2. Step 2: Convert to fraction form
    3,580.40/4,940.60 = 2,836.24/x
  3. Step 3: Cross multiply
    3,580.40x = 4,940.60 × 2,836.24
  4. Step 4: Simplify right side
    3,580.40x = 14,012,727.34
  5. Step 5: Solve for x
    x = 14,012,727.34/3,580.40
  6. Step 6: Final answer
    x = 3,913.73

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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.