Home / 2,176.32-3,270.96-2,015.40

Finding the Fourth Proportional to 2,176.32, 3,270.96 and 2,015.40

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Solution

The fourth proportional to 2,176.32, 3,270.96 and 2,015.40 is: 3,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.32 : 3,270.96 = 2,015.40 : x
  2. Step 2: Convert to fraction form
    2,176.32/3,270.96 = 2,015.40/x
  3. Step 3: Cross multiply
    2,176.32x = 3,270.96 × 2,015.40
  4. Step 4: Simplify right side
    2,176.32x = 6,592,292.78
  5. Step 5: Solve for x
    x = 6,592,292.78/2,176.32
  6. Step 6: Final answer
    x = 3,029.10

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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.