Home / 4,045.05-5,580.21-2,628.99

Finding the Fourth Proportional to 4,045.05, 5,580.21 and 2,628.99

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Solution

The fourth proportional to 4,045.05, 5,580.21 and 2,628.99 is: 3,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.05 : 5,580.21 = 2,628.99 : x
  2. Step 2: Convert to fraction form
    4,045.05/5,580.21 = 2,628.99/x
  3. Step 3: Cross multiply
    4,045.05x = 5,580.21 × 2,628.99
  4. Step 4: Simplify right side
    4,045.05x = 14,670,316.29
  5. Step 5: Solve for x
    x = 14,670,316.29/4,045.05
  6. Step 6: Final answer
    x = 3,626.73

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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.