Home / 1,511.72-2,267.58-416.09

Finding the Fourth Proportional to 1,511.72, 2,267.58 and 416.09

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Solution

The fourth proportional to 1,511.72, 2,267.58 and 416.09 is: 624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.72 : 2,267.58 = 416.09 : x
  2. Step 2: Convert to fraction form
    1,511.72/2,267.58 = 416.09/x
  3. Step 3: Cross multiply
    1,511.72x = 2,267.58 × 416.09
  4. Step 4: Simplify right side
    1,511.72x = 943,517.36
  5. Step 5: Solve for x
    x = 943,517.36/1,511.72
  6. Step 6: Final answer
    x = 624.14

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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.