Home / 1,845.39-2,532.31-1,678.33

Finding the Fourth Proportional to 1,845.39, 2,532.31 and 1,678.33

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Solution

The fourth proportional to 1,845.39, 2,532.31 and 1,678.33 is: 2,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.39 : 2,532.31 = 1,678.33 : x
  2. Step 2: Convert to fraction form
    1,845.39/2,532.31 = 1,678.33/x
  3. Step 3: Cross multiply
    1,845.39x = 2,532.31 × 1,678.33
  4. Step 4: Simplify right side
    1,845.39x = 4,250,051.84
  5. Step 5: Solve for x
    x = 4,250,051.84/1,845.39
  6. Step 6: Final answer
    x = 2,303.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.