Home / 1,853.24-2,779.92-1,036.72

Finding the Fourth Proportional to 1,853.24, 2,779.92 and 1,036.72

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Solution

The fourth proportional to 1,853.24, 2,779.92 and 1,036.72 is: 1,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.24 : 2,779.92 = 1,036.72 : x
  2. Step 2: Convert to fraction form
    1,853.24/2,779.92 = 1,036.72/x
  3. Step 3: Cross multiply
    1,853.24x = 2,779.92 × 1,036.72
  4. Step 4: Simplify right side
    1,853.24x = 2,881,998.66
  5. Step 5: Solve for x
    x = 2,881,998.66/1,853.24
  6. Step 6: Final answer
    x = 1,555.11

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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.