Home / 1,779.22-2,665.16-1,757.35

Finding the Fourth Proportional to 1,779.22, 2,665.16 and 1,757.35

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Solution

The fourth proportional to 1,779.22, 2,665.16 and 1,757.35 is: 2,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.22 : 2,665.16 = 1,757.35 : x
  2. Step 2: Convert to fraction form
    1,779.22/2,665.16 = 1,757.35/x
  3. Step 3: Cross multiply
    1,779.22x = 2,665.16 × 1,757.35
  4. Step 4: Simplify right side
    1,779.22x = 4,683,596.81
  5. Step 5: Solve for x
    x = 4,683,596.81/1,779.22
  6. Step 6: Final answer
    x = 2,632.40

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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.