Home / 2,814.92-4,224.96-2,645.36

Finding the Fourth Proportional to 2,814.92, 4,224.96 and 2,645.36

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Solution

The fourth proportional to 2,814.92, 4,224.96 and 2,645.36 is: 3,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.92 : 4,224.96 = 2,645.36 : x
  2. Step 2: Convert to fraction form
    2,814.92/4,224.96 = 2,645.36/x
  3. Step 3: Cross multiply
    2,814.92x = 4,224.96 × 2,645.36
  4. Step 4: Simplify right side
    2,814.92x = 11,176,534.90
  5. Step 5: Solve for x
    x = 11,176,534.90/2,814.92
  6. Step 6: Final answer
    x = 3,970.46

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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.