Home / 3,051.68-4,210.56-1,809.44

Finding the Fourth Proportional to 3,051.68, 4,210.56 and 1,809.44

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Solution

The fourth proportional to 3,051.68, 4,210.56 and 1,809.44 is: 2,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.68 : 4,210.56 = 1,809.44 : x
  2. Step 2: Convert to fraction form
    3,051.68/4,210.56 = 1,809.44/x
  3. Step 3: Cross multiply
    3,051.68x = 4,210.56 × 1,809.44
  4. Step 4: Simplify right side
    3,051.68x = 7,618,755.69
  5. Step 5: Solve for x
    x = 7,618,755.69/3,051.68
  6. Step 6: Final answer
    x = 2,496.58

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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.