Home / 3,072.16-4,607.79-1,511.74

Finding the Fourth Proportional to 3,072.16, 4,607.79 and 1,511.74

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Solution

The fourth proportional to 3,072.16, 4,607.79 and 1,511.74 is: 2,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.16 : 4,607.79 = 1,511.74 : x
  2. Step 2: Convert to fraction form
    3,072.16/4,607.79 = 1,511.74/x
  3. Step 3: Cross multiply
    3,072.16x = 4,607.79 × 1,511.74
  4. Step 4: Simplify right side
    3,072.16x = 6,965,780.55
  5. Step 5: Solve for x
    x = 6,965,780.55/3,072.16
  6. Step 6: Final answer
    x = 2,267.39

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1.5x scale

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.