Home / 1,729.96-2,577.46-1,647.40

Finding the Fourth Proportional to 1,729.96, 2,577.46 and 1,647.40

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Solution

The fourth proportional to 1,729.96, 2,577.46 and 1,647.40 is: 2,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.96 : 2,577.46 = 1,647.40 : x
  2. Step 2: Convert to fraction form
    1,729.96/2,577.46 = 1,647.40/x
  3. Step 3: Cross multiply
    1,729.96x = 2,577.46 × 1,647.40
  4. Step 4: Simplify right side
    1,729.96x = 4,246,107.60
  5. Step 5: Solve for x
    x = 4,246,107.60/1,729.96
  6. Step 6: Final answer
    x = 2,454.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.