Home / 3,387.12-5,051.28-2,950.80

Finding the Fourth Proportional to 3,387.12, 5,051.28 and 2,950.80

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Solution

The fourth proportional to 3,387.12, 5,051.28 and 2,950.80 is: 4,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.12 : 5,051.28 = 2,950.80 : x
  2. Step 2: Convert to fraction form
    3,387.12/5,051.28 = 2,950.80/x
  3. Step 3: Cross multiply
    3,387.12x = 5,051.28 × 2,950.80
  4. Step 4: Simplify right side
    3,387.12x = 14,905,317.02
  5. Step 5: Solve for x
    x = 14,905,317.02/3,387.12
  6. Step 6: Final answer
    x = 4,400.59

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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.