Home / 4,212.19-5,814.08-2,720.08

Finding the Fourth Proportional to 4,212.19, 5,814.08 and 2,720.08

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Solution

The fourth proportional to 4,212.19, 5,814.08 and 2,720.08 is: 3,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.19 : 5,814.08 = 2,720.08 : x
  2. Step 2: Convert to fraction form
    4,212.19/5,814.08 = 2,720.08/x
  3. Step 3: Cross multiply
    4,212.19x = 5,814.08 × 2,720.08
  4. Step 4: Simplify right side
    4,212.19x = 15,814,762.73
  5. Step 5: Solve for x
    x = 15,814,762.73/4,212.19
  6. Step 6: Final answer
    x = 3,754.52

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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.