Home / 2,814.16-4,188.01-2,720.72

Finding the Fourth Proportional to 2,814.16, 4,188.01 and 2,720.72

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Solution

The fourth proportional to 2,814.16, 4,188.01 and 2,720.72 is: 4,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.16 : 4,188.01 = 2,720.72 : x
  2. Step 2: Convert to fraction form
    2,814.16/4,188.01 = 2,720.72/x
  3. Step 3: Cross multiply
    2,814.16x = 4,188.01 × 2,720.72
  4. Step 4: Simplify right side
    2,814.16x = 11,394,402.57
  5. Step 5: Solve for x
    x = 11,394,402.57/2,814.16
  6. Step 6: Final answer
    x = 4,048.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.