Home / 2,774.49-4,162.95-1,620.24

Finding the Fourth Proportional to 2,774.49, 4,162.95 and 1,620.24

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Solution

The fourth proportional to 2,774.49, 4,162.95 and 1,620.24 is: 2,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.49 : 4,162.95 = 1,620.24 : x
  2. Step 2: Convert to fraction form
    2,774.49/4,162.95 = 1,620.24/x
  3. Step 3: Cross multiply
    2,774.49x = 4,162.95 × 1,620.24
  4. Step 4: Simplify right side
    2,774.49x = 6,744,978.11
  5. Step 5: Solve for x
    x = 6,744,978.11/2,774.49
  6. Step 6: Final answer
    x = 2,431.07

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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.