Home / 3,579.08-4,938.12-2,320.19

Finding the Fourth Proportional to 3,579.08, 4,938.12 and 2,320.19

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Solution

The fourth proportional to 3,579.08, 4,938.12 and 2,320.19 is: 3,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.08 : 4,938.12 = 2,320.19 : x
  2. Step 2: Convert to fraction form
    3,579.08/4,938.12 = 2,320.19/x
  3. Step 3: Cross multiply
    3,579.08x = 4,938.12 × 2,320.19
  4. Step 4: Simplify right side
    3,579.08x = 11,457,364.30
  5. Step 5: Solve for x
    x = 11,457,364.30/3,579.08
  6. Step 6: Final answer
    x = 3,201.20

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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.