Home / 1,779.03-2,666.12-1,565.19

Finding the Fourth Proportional to 1,779.03, 2,666.12 and 1,565.19

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Solution

The fourth proportional to 1,779.03, 2,666.12 and 1,565.19 is: 2,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.03 : 2,666.12 = 1,565.19 : x
  2. Step 2: Convert to fraction form
    1,779.03/2,666.12 = 1,565.19/x
  3. Step 3: Cross multiply
    1,779.03x = 2,666.12 × 1,565.19
  4. Step 4: Simplify right side
    1,779.03x = 4,172,976.54
  5. Step 5: Solve for x
    x = 4,172,976.54/1,779.03
  6. Step 6: Final answer
    x = 2,345.65

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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.