Home / 2,815.27-3,885.06-1,573.27

Finding the Fourth Proportional to 2,815.27, 3,885.06 and 1,573.27

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Solution

The fourth proportional to 2,815.27, 3,885.06 and 1,573.27 is: 2,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.27 : 3,885.06 = 1,573.27 : x
  2. Step 2: Convert to fraction form
    2,815.27/3,885.06 = 1,573.27/x
  3. Step 3: Cross multiply
    2,815.27x = 3,885.06 × 1,573.27
  4. Step 4: Simplify right side
    2,815.27x = 6,112,248.35
  5. Step 5: Solve for x
    x = 6,112,248.35/2,815.27
  6. Step 6: Final answer
    x = 2,171.11

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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.