Home / 1,818.96-2,503.88-1,585.68

Finding the Fourth Proportional to 1,818.96, 2,503.88 and 1,585.68

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Solution

The fourth proportional to 1,818.96, 2,503.88 and 1,585.68 is: 2,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.96 : 2,503.88 = 1,585.68 : x
  2. Step 2: Convert to fraction form
    1,818.96/2,503.88 = 1,585.68/x
  3. Step 3: Cross multiply
    1,818.96x = 2,503.88 × 1,585.68
  4. Step 4: Simplify right side
    1,818.96x = 3,970,352.44
  5. Step 5: Solve for x
    x = 3,970,352.44/1,818.96
  6. Step 6: Final answer
    x = 2,182.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.