Home / 1,095.14-1,511.38-623.19

Finding the Fourth Proportional to 1,095.14, 1,511.38 and 623.19

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Solution

The fourth proportional to 1,095.14, 1,511.38 and 623.19 is: 860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.14 : 1,511.38 = 623.19 : x
  2. Step 2: Convert to fraction form
    1,095.14/1,511.38 = 623.19/x
  3. Step 3: Cross multiply
    1,095.14x = 1,511.38 × 623.19
  4. Step 4: Simplify right side
    1,095.14x = 941,882.79
  5. Step 5: Solve for x
    x = 941,882.79/1,095.14
  6. Step 6: Final answer
    x = 860.05

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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.