Home / 3,271.42-4,514.75-1,927.47

Finding the Fourth Proportional to 3,271.42, 4,514.75 and 1,927.47

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Solution

The fourth proportional to 3,271.42, 4,514.75 and 1,927.47 is: 2,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.42 : 4,514.75 = 1,927.47 : x
  2. Step 2: Convert to fraction form
    3,271.42/4,514.75 = 1,927.47/x
  3. Step 3: Cross multiply
    3,271.42x = 4,514.75 × 1,927.47
  4. Step 4: Simplify right side
    3,271.42x = 8,702,045.18
  5. Step 5: Solve for x
    x = 8,702,045.18/3,271.42
  6. Step 6: Final answer
    x = 2,660.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.