Home / 1,862.92-2,779.30-1,795.68

Finding the Fourth Proportional to 1,862.92, 2,779.30 and 1,795.68

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Solution

The fourth proportional to 1,862.92, 2,779.30 and 1,795.68 is: 2,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.92 : 2,779.30 = 1,795.68 : x
  2. Step 2: Convert to fraction form
    1,862.92/2,779.30 = 1,795.68/x
  3. Step 3: Cross multiply
    1,862.92x = 2,779.30 × 1,795.68
  4. Step 4: Simplify right side
    1,862.92x = 4,990,733.42
  5. Step 5: Solve for x
    x = 4,990,733.42/1,862.92
  6. Step 6: Final answer
    x = 2,678.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.