Home / 3,271.40-4,514.58-1,874.12

Finding the Fourth Proportional to 3,271.40, 4,514.58 and 1,874.12

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Solution

The fourth proportional to 3,271.40, 4,514.58 and 1,874.12 is: 2,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.40 : 4,514.58 = 1,874.12 : x
  2. Step 2: Convert to fraction form
    3,271.40/4,514.58 = 1,874.12/x
  3. Step 3: Cross multiply
    3,271.40x = 4,514.58 × 1,874.12
  4. Step 4: Simplify right side
    3,271.40x = 8,460,864.67
  5. Step 5: Solve for x
    x = 8,460,864.67/3,271.40
  6. Step 6: Final answer
    x = 2,586.31

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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.