Home / 2,995.38-4,133.70-1,816.56

Finding the Fourth Proportional to 2,995.38, 4,133.70 and 1,816.56

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Solution

The fourth proportional to 2,995.38, 4,133.70 and 1,816.56 is: 2,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.38 : 4,133.70 = 1,816.56 : x
  2. Step 2: Convert to fraction form
    2,995.38/4,133.70 = 1,816.56/x
  3. Step 3: Cross multiply
    2,995.38x = 4,133.70 × 1,816.56
  4. Step 4: Simplify right side
    2,995.38x = 7,509,114.07
  5. Step 5: Solve for x
    x = 7,509,114.07/2,995.38
  6. Step 6: Final answer
    x = 2,506.90

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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.