Home / 1,817.08-2,727.00-1,331.40

Finding the Fourth Proportional to 1,817.08, 2,727.00 and 1,331.40

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Solution

The fourth proportional to 1,817.08, 2,727.00 and 1,331.40 is: 1,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.08 : 2,727.00 = 1,331.40 : x
  2. Step 2: Convert to fraction form
    1,817.08/2,727.00 = 1,331.40/x
  3. Step 3: Cross multiply
    1,817.08x = 2,727.00 × 1,331.40
  4. Step 4: Simplify right side
    1,817.08x = 3,630,733.71
  5. Step 5: Solve for x
    x = 3,630,733.71/1,817.08
  6. Step 6: Final answer
    x = 1,998.11

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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.