Home / 1,511.85-2,267.91-416.19

Finding the Fourth Proportional to 1,511.85, 2,267.91 and 416.19

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Solution

The fourth proportional to 1,511.85, 2,267.91 and 416.19 is: 624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.85 : 2,267.91 = 416.19 : x
  2. Step 2: Convert to fraction form
    1,511.85/2,267.91 = 416.19/x
  3. Step 3: Cross multiply
    1,511.85x = 2,267.91 × 416.19
  4. Step 4: Simplify right side
    1,511.85x = 943,881.46
  5. Step 5: Solve for x
    x = 943,881.46/1,511.85
  6. Step 6: Final answer
    x = 624.32

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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.