Home / 1,854.46-2,779.05-1,305.52

Finding the Fourth Proportional to 1,854.46, 2,779.05 and 1,305.52

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Solution

The fourth proportional to 1,854.46, 2,779.05 and 1,305.52 is: 1,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.46 : 2,779.05 = 1,305.52 : x
  2. Step 2: Convert to fraction form
    1,854.46/2,779.05 = 1,305.52/x
  3. Step 3: Cross multiply
    1,854.46x = 2,779.05 × 1,305.52
  4. Step 4: Simplify right side
    1,854.46x = 3,628,105.36
  5. Step 5: Solve for x
    x = 3,628,105.36/1,854.46
  6. Step 6: Final answer
    x = 1,956.42

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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.