Home / 3,015.72-4,519.47-2,927.06

Finding the Fourth Proportional to 3,015.72, 4,519.47 and 2,927.06

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Solution

The fourth proportional to 3,015.72, 4,519.47 and 2,927.06 is: 4,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.72 : 4,519.47 = 2,927.06 : x
  2. Step 2: Convert to fraction form
    3,015.72/4,519.47 = 2,927.06/x
  3. Step 3: Cross multiply
    3,015.72x = 4,519.47 × 2,927.06
  4. Step 4: Simplify right side
    3,015.72x = 13,228,759.86
  5. Step 5: Solve for x
    x = 13,228,759.86/3,015.72
  6. Step 6: Final answer
    x = 4,386.60

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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.