Home / 1,764.77-2,435.70-1,018.63

Finding the Fourth Proportional to 1,764.77, 2,435.70 and 1,018.63

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Solution

The fourth proportional to 1,764.77, 2,435.70 and 1,018.63 is: 1,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.77 : 2,435.70 = 1,018.63 : x
  2. Step 2: Convert to fraction form
    1,764.77/2,435.70 = 1,018.63/x
  3. Step 3: Cross multiply
    1,764.77x = 2,435.70 × 1,018.63
  4. Step 4: Simplify right side
    1,764.77x = 2,481,064.91
  5. Step 5: Solve for x
    x = 2,481,064.91/1,764.77
  6. Step 6: Final answer
    x = 1,405.89

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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.