Home / 2,877.12-4,311.36-2,623.68

Finding the Fourth Proportional to 2,877.12, 4,311.36 and 2,623.68

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Solution

The fourth proportional to 2,877.12, 4,311.36 and 2,623.68 is: 3,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.12 : 4,311.36 = 2,623.68 : x
  2. Step 2: Convert to fraction form
    2,877.12/4,311.36 = 2,623.68/x
  3. Step 3: Cross multiply
    2,877.12x = 4,311.36 × 2,623.68
  4. Step 4: Simplify right side
    2,877.12x = 11,311,629.00
  5. Step 5: Solve for x
    x = 11,311,629.00/2,877.12
  6. Step 6: Final answer
    x = 3,931.58

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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.