Home / 2,950.99-4,428.64-1,490.24

Finding the Fourth Proportional to 2,950.99, 4,428.64 and 1,490.24

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Solution

The fourth proportional to 2,950.99, 4,428.64 and 1,490.24 is: 2,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.99 : 4,428.64 = 1,490.24 : x
  2. Step 2: Convert to fraction form
    2,950.99/4,428.64 = 1,490.24/x
  3. Step 3: Cross multiply
    2,950.99x = 4,428.64 × 1,490.24
  4. Step 4: Simplify right side
    2,950.99x = 6,599,736.47
  5. Step 5: Solve for x
    x = 6,599,736.47/2,950.99
  6. Step 6: Final answer
    x = 2,236.45

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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.