Home / 2,182.98-3,276.45-1,089.66

Finding the Fourth Proportional to 2,182.98, 3,276.45 and 1,089.66

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Solution

The fourth proportional to 2,182.98, 3,276.45 and 1,089.66 is: 1,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.98 : 3,276.45 = 1,089.66 : x
  2. Step 2: Convert to fraction form
    2,182.98/3,276.45 = 1,089.66/x
  3. Step 3: Cross multiply
    2,182.98x = 3,276.45 × 1,089.66
  4. Step 4: Simplify right side
    2,182.98x = 3,570,216.51
  5. Step 5: Solve for x
    x = 3,570,216.51/2,182.98
  6. Step 6: Final answer
    x = 1,635.48

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1.5x scale

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.