Home / 1,700.32-2,550.84-823.45

Finding the Fourth Proportional to 1,700.32, 2,550.84 and 823.45

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Solution

The fourth proportional to 1,700.32, 2,550.84 and 823.45 is: 1,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.32 : 2,550.84 = 823.45 : x
  2. Step 2: Convert to fraction form
    1,700.32/2,550.84 = 823.45/x
  3. Step 3: Cross multiply
    1,700.32x = 2,550.84 × 823.45
  4. Step 4: Simplify right side
    1,700.32x = 2,100,489.20
  5. Step 5: Solve for x
    x = 2,100,489.20/1,700.32
  6. Step 6: Final answer
    x = 1,235.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.