Home / 2,818.26-3,890.24-1,699.24

Finding the Fourth Proportional to 2,818.26, 3,890.24 and 1,699.24

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Solution

The fourth proportional to 2,818.26, 3,890.24 and 1,699.24 is: 2,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.26 : 3,890.24 = 1,699.24 : x
  2. Step 2: Convert to fraction form
    2,818.26/3,890.24 = 1,699.24/x
  3. Step 3: Cross multiply
    2,818.26x = 3,890.24 × 1,699.24
  4. Step 4: Simplify right side
    2,818.26x = 6,610,451.42
  5. Step 5: Solve for x
    x = 6,610,451.42/2,818.26
  6. Step 6: Final answer
    x = 2,345.58

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1.5x scale

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.