Home / 1,051.36-1,577.25-357.85

Finding the Fourth Proportional to 1,051.36, 1,577.25 and 357.85

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Solution

The fourth proportional to 1,051.36, 1,577.25 and 357.85 is: 536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.36 : 1,577.25 = 357.85 : x
  2. Step 2: Convert to fraction form
    1,051.36/1,577.25 = 357.85/x
  3. Step 3: Cross multiply
    1,051.36x = 1,577.25 × 357.85
  4. Step 4: Simplify right side
    1,051.36x = 564,418.91
  5. Step 5: Solve for x
    x = 564,418.91/1,051.36
  6. Step 6: Final answer
    x = 536.85

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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.