Home / 2,260.08-3,387.81-1,284.12

Finding the Fourth Proportional to 2,260.08, 3,387.81 and 1,284.12

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Solution

The fourth proportional to 2,260.08, 3,387.81 and 1,284.12 is: 1,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.08 : 3,387.81 = 1,284.12 : x
  2. Step 2: Convert to fraction form
    2,260.08/3,387.81 = 1,284.12/x
  3. Step 3: Cross multiply
    2,260.08x = 3,387.81 × 1,284.12
  4. Step 4: Simplify right side
    2,260.08x = 4,350,354.58
  5. Step 5: Solve for x
    x = 4,350,354.58/2,260.08
  6. Step 6: Final answer
    x = 1,924.87

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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.