Home / 1,740.80-2,385.04-1,716.50

Finding the Fourth Proportional to 1,740.80, 2,385.04 and 1,716.50

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Solution

The fourth proportional to 1,740.80, 2,385.04 and 1,716.50 is: 2,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.80 : 2,385.04 = 1,716.50 : x
  2. Step 2: Convert to fraction form
    1,740.80/2,385.04 = 1,716.50/x
  3. Step 3: Cross multiply
    1,740.80x = 2,385.04 × 1,716.50
  4. Step 4: Simplify right side
    1,740.80x = 4,093,921.16
  5. Step 5: Solve for x
    x = 4,093,921.16/1,740.80
  6. Step 6: Final answer
    x = 2,351.75

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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.