Home / 1,845.51-2,546.80-1,006.21

Finding the Fourth Proportional to 1,845.51, 2,546.80 and 1,006.21

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Solution

The fourth proportional to 1,845.51, 2,546.80 and 1,006.21 is: 1,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.51 : 2,546.80 = 1,006.21 : x
  2. Step 2: Convert to fraction form
    1,845.51/2,546.80 = 1,006.21/x
  3. Step 3: Cross multiply
    1,845.51x = 2,546.80 × 1,006.21
  4. Step 4: Simplify right side
    1,845.51x = 2,562,615.63
  5. Step 5: Solve for x
    x = 2,562,615.63/1,845.51
  6. Step 6: Final answer
    x = 1,388.57

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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.