Home / 3,551.09-4,900.30-1,957.68

Finding the Fourth Proportional to 3,551.09, 4,900.30 and 1,957.68

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Solution

The fourth proportional to 3,551.09, 4,900.30 and 1,957.68 is: 2,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.09 : 4,900.30 = 1,957.68 : x
  2. Step 2: Convert to fraction form
    3,551.09/4,900.30 = 1,957.68/x
  3. Step 3: Cross multiply
    3,551.09x = 4,900.30 × 1,957.68
  4. Step 4: Simplify right side
    3,551.09x = 9,593,214.41
  5. Step 5: Solve for x
    x = 9,593,214.41/3,551.09
  6. Step 6: Final answer
    x = 2,701.49

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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.