Home / 1,809.18-2,714.24-835.98

Finding the Fourth Proportional to 1,809.18, 2,714.24 and 835.98

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Solution

The fourth proportional to 1,809.18, 2,714.24 and 835.98 is: 1,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.18 : 2,714.24 = 835.98 : x
  2. Step 2: Convert to fraction form
    1,809.18/2,714.24 = 835.98/x
  3. Step 3: Cross multiply
    1,809.18x = 2,714.24 × 835.98
  4. Step 4: Simplify right side
    1,809.18x = 2,269,050.36
  5. Step 5: Solve for x
    x = 2,269,050.36/1,809.18
  6. Step 6: Final answer
    x = 1,254.19

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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.