Home / 1,950.88-2,926.41-490.05

Finding the Fourth Proportional to 1,950.88, 2,926.41 and 490.05

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Solution

The fourth proportional to 1,950.88, 2,926.41 and 490.05 is: 735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.88 : 2,926.41 = 490.05 : x
  2. Step 2: Convert to fraction form
    1,950.88/2,926.41 = 490.05/x
  3. Step 3: Cross multiply
    1,950.88x = 2,926.41 × 490.05
  4. Step 4: Simplify right side
    1,950.88x = 1,434,087.22
  5. Step 5: Solve for x
    x = 1,434,087.22/1,950.88
  6. Step 6: Final answer
    x = 735.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.