Home / 2,482.29-3,428.66-2,011.88

Finding the Fourth Proportional to 2,482.29, 3,428.66 and 2,011.88

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Solution

The fourth proportional to 2,482.29, 3,428.66 and 2,011.88 is: 2,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.29 : 3,428.66 = 2,011.88 : x
  2. Step 2: Convert to fraction form
    2,482.29/3,428.66 = 2,011.88/x
  3. Step 3: Cross multiply
    2,482.29x = 3,428.66 × 2,011.88
  4. Step 4: Simplify right side
    2,482.29x = 6,898,066.08
  5. Step 5: Solve for x
    x = 6,898,066.08/2,482.29
  6. Step 6: Final answer
    x = 2,778.91

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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.