Home / 3,247.23-4,871.56-1,514.91

Finding the Fourth Proportional to 3,247.23, 4,871.56 and 1,514.91

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Solution

The fourth proportional to 3,247.23, 4,871.56 and 1,514.91 is: 2,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.23 : 4,871.56 = 1,514.91 : x
  2. Step 2: Convert to fraction form
    3,247.23/4,871.56 = 1,514.91/x
  3. Step 3: Cross multiply
    3,247.23x = 4,871.56 × 1,514.91
  4. Step 4: Simplify right side
    3,247.23x = 7,379,950.60
  5. Step 5: Solve for x
    x = 7,379,950.60/3,247.23
  6. Step 6: Final answer
    x = 2,272.69

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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.