Home / 4,212.91-5,810.52-2,720.98

Finding the Fourth Proportional to 4,212.91, 5,810.52 and 2,720.98

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Solution

The fourth proportional to 4,212.91, 5,810.52 and 2,720.98 is: 3,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.91 : 5,810.52 = 2,720.98 : x
  2. Step 2: Convert to fraction form
    4,212.91/5,810.52 = 2,720.98/x
  3. Step 3: Cross multiply
    4,212.91x = 5,810.52 × 2,720.98
  4. Step 4: Simplify right side
    4,212.91x = 15,810,308.71
  5. Step 5: Solve for x
    x = 15,810,308.71/4,212.91
  6. Step 6: Final answer
    x = 3,752.82

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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.