Home / 2,564.80-3,539.33-1,445.97

Finding the Fourth Proportional to 2,564.80, 3,539.33 and 1,445.97

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Solution

The fourth proportional to 2,564.80, 3,539.33 and 1,445.97 is: 1,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.80 : 3,539.33 = 1,445.97 : x
  2. Step 2: Convert to fraction form
    2,564.80/3,539.33 = 1,445.97/x
  3. Step 3: Cross multiply
    2,564.80x = 3,539.33 × 1,445.97
  4. Step 4: Simplify right side
    2,564.80x = 5,117,765.00
  5. Step 5: Solve for x
    x = 5,117,765.00/2,564.80
  6. Step 6: Final answer
    x = 1,995.39

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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.