Home / 2,511.26-3,457.44-2,156.48

Finding the Fourth Proportional to 2,511.26, 3,457.44 and 2,156.48

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Solution

The fourth proportional to 2,511.26, 3,457.44 and 2,156.48 is: 2,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.26 : 3,457.44 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    2,511.26/3,457.44 = 2,156.48/x
  3. Step 3: Cross multiply
    2,511.26x = 3,457.44 × 2,156.48
  4. Step 4: Simplify right side
    2,511.26x = 7,455,900.21
  5. Step 5: Solve for x
    x = 7,455,900.21/2,511.26
  6. Step 6: Final answer
    x = 2,968.99

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1.5x scale

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.