Home / 1,818.10-2,727.33-585.46

Finding the Fourth Proportional to 1,818.10, 2,727.33 and 585.46

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Solution

The fourth proportional to 1,818.10, 2,727.33 and 585.46 is: 878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.10 : 2,727.33 = 585.46 : x
  2. Step 2: Convert to fraction form
    1,818.10/2,727.33 = 585.46/x
  3. Step 3: Cross multiply
    1,818.10x = 2,727.33 × 585.46
  4. Step 4: Simplify right side
    1,818.10x = 1,596,742.62
  5. Step 5: Solve for x
    x = 1,596,742.62/1,818.10
  6. Step 6: Final answer
    x = 878.25

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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.