Home / 3,016.28-4,162.70-1,690.24

Finding the Fourth Proportional to 3,016.28, 4,162.70 and 1,690.24

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Solution

The fourth proportional to 3,016.28, 4,162.70 and 1,690.24 is: 2,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.28 : 4,162.70 = 1,690.24 : x
  2. Step 2: Convert to fraction form
    3,016.28/4,162.70 = 1,690.24/x
  3. Step 3: Cross multiply
    3,016.28x = 4,162.70 × 1,690.24
  4. Step 4: Simplify right side
    3,016.28x = 7,035,962.05
  5. Step 5: Solve for x
    x = 7,035,962.05/3,016.28
  6. Step 6: Final answer
    x = 2,332.66

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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.