Home / 2,995.28-4,493.79-1,047.63

Finding the Fourth Proportional to 2,995.28, 4,493.79 and 1,047.63

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Solution

The fourth proportional to 2,995.28, 4,493.79 and 1,047.63 is: 1,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.28 : 4,493.79 = 1,047.63 : x
  2. Step 2: Convert to fraction form
    2,995.28/4,493.79 = 1,047.63/x
  3. Step 3: Cross multiply
    2,995.28x = 4,493.79 × 1,047.63
  4. Step 4: Simplify right side
    2,995.28x = 4,707,829.22
  5. Step 5: Solve for x
    x = 4,707,829.22/2,995.28
  6. Step 6: Final answer
    x = 1,571.75

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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.