Home / 1,818.99-2,508.67-1,539.84

Finding the Fourth Proportional to 1,818.99, 2,508.67 and 1,539.84

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Solution

The fourth proportional to 1,818.99, 2,508.67 and 1,539.84 is: 2,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.99 : 2,508.67 = 1,539.84 : x
  2. Step 2: Convert to fraction form
    1,818.99/2,508.67 = 1,539.84/x
  3. Step 3: Cross multiply
    1,818.99x = 2,508.67 × 1,539.84
  4. Step 4: Simplify right side
    1,818.99x = 3,862,961.75
  5. Step 5: Solve for x
    x = 3,862,961.75/1,818.99
  6. Step 6: Final answer
    x = 2,123.68

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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.