Home / 2,912.15-4,024.47-2,588.15

Finding the Fourth Proportional to 2,912.15, 4,024.47 and 2,588.15

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Solution

The fourth proportional to 2,912.15, 4,024.47 and 2,588.15 is: 3,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.15 : 4,024.47 = 2,588.15 : x
  2. Step 2: Convert to fraction form
    2,912.15/4,024.47 = 2,588.15/x
  3. Step 3: Cross multiply
    2,912.15x = 4,024.47 × 2,588.15
  4. Step 4: Simplify right side
    2,912.15x = 10,415,911.91
  5. Step 5: Solve for x
    x = 10,415,911.91/2,912.15
  6. Step 6: Final answer
    x = 3,576.71

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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.