Home / 1,764.58-2,435.03-1,018.77

Finding the Fourth Proportional to 1,764.58, 2,435.03 and 1,018.77

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Solution

The fourth proportional to 1,764.58, 2,435.03 and 1,018.77 is: 1,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.58 : 2,435.03 = 1,018.77 : x
  2. Step 2: Convert to fraction form
    1,764.58/2,435.03 = 1,018.77/x
  3. Step 3: Cross multiply
    1,764.58x = 2,435.03 × 1,018.77
  4. Step 4: Simplify right side
    1,764.58x = 2,480,730.42
  5. Step 5: Solve for x
    x = 2,480,730.42/1,764.58
  6. Step 6: Final answer
    x = 1,405.85

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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.