Home / 1,818.91-2,727.01-1,298.60

Finding the Fourth Proportional to 1,818.91, 2,727.01 and 1,298.60

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Solution

The fourth proportional to 1,818.91, 2,727.01 and 1,298.60 is: 1,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.91 : 2,727.01 = 1,298.60 : x
  2. Step 2: Convert to fraction form
    1,818.91/2,727.01 = 1,298.60/x
  3. Step 3: Cross multiply
    1,818.91x = 2,727.01 × 1,298.60
  4. Step 4: Simplify right side
    1,818.91x = 3,541,295.19
  5. Step 5: Solve for x
    x = 3,541,295.19/1,818.91
  6. Step 6: Final answer
    x = 1,946.93

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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.