Home / 2,016.40-3,038.32-1,659.20

Finding the Fourth Proportional to 2,016.40, 3,038.32 and 1,659.20

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Solution

The fourth proportional to 2,016.40, 3,038.32 and 1,659.20 is: 2,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.40 : 3,038.32 = 1,659.20 : x
  2. Step 2: Convert to fraction form
    2,016.40/3,038.32 = 1,659.20/x
  3. Step 3: Cross multiply
    2,016.40x = 3,038.32 × 1,659.20
  4. Step 4: Simplify right side
    2,016.40x = 5,041,180.54
  5. Step 5: Solve for x
    x = 5,041,180.54/2,016.40
  6. Step 6: Final answer
    x = 2,500.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.