Home / 3,400.60-4,693.80-2,205.56

Finding the Fourth Proportional to 3,400.60, 4,693.80 and 2,205.56

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Solution

The fourth proportional to 3,400.60, 4,693.80 and 2,205.56 is: 3,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.60 : 4,693.80 = 2,205.56 : x
  2. Step 2: Convert to fraction form
    3,400.60/4,693.80 = 2,205.56/x
  3. Step 3: Cross multiply
    3,400.60x = 4,693.80 × 2,205.56
  4. Step 4: Simplify right side
    3,400.60x = 10,352,457.53
  5. Step 5: Solve for x
    x = 10,352,457.53/3,400.60
  6. Step 6: Final answer
    x = 3,044.30

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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.