Home / 3,720.08-5,580.12-2,898.97

Finding the Fourth Proportional to 3,720.08, 5,580.12 and 2,898.97

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Solution

The fourth proportional to 3,720.08, 5,580.12 and 2,898.97 is: 4,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.08 : 5,580.12 = 2,898.97 : x
  2. Step 2: Convert to fraction form
    3,720.08/5,580.12 = 2,898.97/x
  3. Step 3: Cross multiply
    3,720.08x = 5,580.12 × 2,898.97
  4. Step 4: Simplify right side
    3,720.08x = 16,176,620.07
  5. Step 5: Solve for x
    x = 16,176,620.07/3,720.08
  6. Step 6: Final answer
    x = 4,348.46

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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.