Home / 2,970.41-4,099.39-1,851.48

Finding the Fourth Proportional to 2,970.41, 4,099.39 and 1,851.48

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Solution

The fourth proportional to 2,970.41, 4,099.39 and 1,851.48 is: 2,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.41 : 4,099.39 = 1,851.48 : x
  2. Step 2: Convert to fraction form
    2,970.41/4,099.39 = 1,851.48/x
  3. Step 3: Cross multiply
    2,970.41x = 4,099.39 × 1,851.48
  4. Step 4: Simplify right side
    2,970.41x = 7,589,933.97
  5. Step 5: Solve for x
    x = 7,589,933.97/2,970.41
  6. Step 6: Final answer
    x = 2,555.18

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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.