Home / 3,051.28-4,210.53-2,057.90

Finding the Fourth Proportional to 3,051.28, 4,210.53 and 2,057.90

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Solution

The fourth proportional to 3,051.28, 4,210.53 and 2,057.90 is: 2,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.28 : 4,210.53 = 2,057.90 : x
  2. Step 2: Convert to fraction form
    3,051.28/4,210.53 = 2,057.90/x
  3. Step 3: Cross multiply
    3,051.28x = 4,210.53 × 2,057.90
  4. Step 4: Simplify right side
    3,051.28x = 8,664,849.69
  5. Step 5: Solve for x
    x = 8,664,849.69/3,051.28
  6. Step 6: Final answer
    x = 2,839.75

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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.