Home / 2,076.28-3,115.64-1,915.92

Finding the Fourth Proportional to 2,076.28, 3,115.64 and 1,915.92

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Solution

The fourth proportional to 2,076.28, 3,115.64 and 1,915.92 is: 2,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.28 : 3,115.64 = 1,915.92 : x
  2. Step 2: Convert to fraction form
    2,076.28/3,115.64 = 1,915.92/x
  3. Step 3: Cross multiply
    2,076.28x = 3,115.64 × 1,915.92
  4. Step 4: Simplify right side
    2,076.28x = 5,969,316.99
  5. Step 5: Solve for x
    x = 5,969,316.99/2,076.28
  6. Step 6: Final answer
    x = 2,875.01

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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.