Home / 3,518.58-5,277.68-1,053.42

Finding the Fourth Proportional to 3,518.58, 5,277.68 and 1,053.42

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Solution

The fourth proportional to 3,518.58, 5,277.68 and 1,053.42 is: 1,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.58 : 5,277.68 = 1,053.42 : x
  2. Step 2: Convert to fraction form
    3,518.58/5,277.68 = 1,053.42/x
  3. Step 3: Cross multiply
    3,518.58x = 5,277.68 × 1,053.42
  4. Step 4: Simplify right side
    3,518.58x = 5,559,613.67
  5. Step 5: Solve for x
    x = 5,559,613.67/3,518.58
  6. Step 6: Final answer
    x = 1,580.07

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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.