Home / 3,514.56-5,272.15-917.50

Finding the Fourth Proportional to 3,514.56, 5,272.15 and 917.50

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Solution

The fourth proportional to 3,514.56, 5,272.15 and 917.50 is: 1,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.56 : 5,272.15 = 917.50 : x
  2. Step 2: Convert to fraction form
    3,514.56/5,272.15 = 917.50/x
  3. Step 3: Cross multiply
    3,514.56x = 5,272.15 × 917.50
  4. Step 4: Simplify right side
    3,514.56x = 4,837,197.63
  5. Step 5: Solve for x
    x = 4,837,197.63/3,514.56
  6. Step 6: Final answer
    x = 1,376.33

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1.5x scale

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.