Home / 3,013.23-4,158.46-1,687.06

Finding the Fourth Proportional to 3,013.23, 4,158.46 and 1,687.06

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Solution

The fourth proportional to 3,013.23, 4,158.46 and 1,687.06 is: 2,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.23 : 4,158.46 = 1,687.06 : x
  2. Step 2: Convert to fraction form
    3,013.23/4,158.46 = 1,687.06/x
  3. Step 3: Cross multiply
    3,013.23x = 4,158.46 × 1,687.06
  4. Step 4: Simplify right side
    3,013.23x = 7,015,571.53
  5. Step 5: Solve for x
    x = 7,015,571.53/3,013.23
  6. Step 6: Final answer
    x = 2,328.26

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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.