Home / 3,154.12-4,727.64-1,072.18

Finding the Fourth Proportional to 3,154.12, 4,727.64 and 1,072.18

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Solution

The fourth proportional to 3,154.12, 4,727.64 and 1,072.18 is: 1,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.12 : 4,727.64 = 1,072.18 : x
  2. Step 2: Convert to fraction form
    3,154.12/4,727.64 = 1,072.18/x
  3. Step 3: Cross multiply
    3,154.12x = 4,727.64 × 1,072.18
  4. Step 4: Simplify right side
    3,154.12x = 5,068,881.06
  5. Step 5: Solve for x
    x = 5,068,881.06/3,154.12
  6. Step 6: Final answer
    x = 1,607.07

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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.