Home / 1,764.18-2,646.27-514.89

Finding the Fourth Proportional to 1,764.18, 2,646.27 and 514.89

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Solution

The fourth proportional to 1,764.18, 2,646.27 and 514.89 is: 772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.18 : 2,646.27 = 514.89 : x
  2. Step 2: Convert to fraction form
    1,764.18/2,646.27 = 514.89/x
  3. Step 3: Cross multiply
    1,764.18x = 2,646.27 × 514.89
  4. Step 4: Simplify right side
    1,764.18x = 1,362,537.96
  5. Step 5: Solve for x
    x = 1,362,537.96/1,764.18
  6. Step 6: Final answer
    x = 772.34

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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.