Home / 3,378.40-4,666.62-2,591.08

Finding the Fourth Proportional to 3,378.40, 4,666.62 and 2,591.08

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Solution

The fourth proportional to 3,378.40, 4,666.62 and 2,591.08 is: 3,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.40 : 4,666.62 = 2,591.08 : x
  2. Step 2: Convert to fraction form
    3,378.40/4,666.62 = 2,591.08/x
  3. Step 3: Cross multiply
    3,378.40x = 4,666.62 × 2,591.08
  4. Step 4: Simplify right side
    3,378.40x = 12,091,585.75
  5. Step 5: Solve for x
    x = 12,091,585.75/3,378.40
  6. Step 6: Final answer
    x = 3,579.09

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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.