Home / 3,127.67-4,315.11-2,008.52

Finding the Fourth Proportional to 3,127.67, 4,315.11 and 2,008.52

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Solution

The fourth proportional to 3,127.67, 4,315.11 and 2,008.52 is: 2,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.67 : 4,315.11 = 2,008.52 : x
  2. Step 2: Convert to fraction form
    3,127.67/4,315.11 = 2,008.52/x
  3. Step 3: Cross multiply
    3,127.67x = 4,315.11 × 2,008.52
  4. Step 4: Simplify right side
    3,127.67x = 8,666,984.74
  5. Step 5: Solve for x
    x = 8,666,984.74/3,127.67
  6. Step 6: Final answer
    x = 2,771.07

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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.