Home / 2,672.10-4,013.55-2,580.30

Finding the Fourth Proportional to 2,672.10, 4,013.55 and 2,580.30

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Solution

The fourth proportional to 2,672.10, 4,013.55 and 2,580.30 is: 3,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.10 : 4,013.55 = 2,580.30 : x
  2. Step 2: Convert to fraction form
    2,672.10/4,013.55 = 2,580.30/x
  3. Step 3: Cross multiply
    2,672.10x = 4,013.55 × 2,580.30
  4. Step 4: Simplify right side
    2,672.10x = 10,356,163.07
  5. Step 5: Solve for x
    x = 10,356,163.07/2,672.10
  6. Step 6: Final answer
    x = 3,875.66

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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.