Home / 1,700.19-2,539.96-1,078.92

Finding the Fourth Proportional to 1,700.19, 2,539.96 and 1,078.92

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Solution

The fourth proportional to 1,700.19, 2,539.96 and 1,078.92 is: 1,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.19 : 2,539.96 = 1,078.92 : x
  2. Step 2: Convert to fraction form
    1,700.19/2,539.96 = 1,078.92/x
  3. Step 3: Cross multiply
    1,700.19x = 2,539.96 × 1,078.92
  4. Step 4: Simplify right side
    1,700.19x = 2,740,410.95
  5. Step 5: Solve for x
    x = 2,740,410.95/1,700.19
  6. Step 6: Final answer
    x = 1,611.83

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1.5x scale

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.