Home / 2,284.48-3,425.64-1,187.74

Finding the Fourth Proportional to 2,284.48, 3,425.64 and 1,187.74

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Solution

The fourth proportional to 2,284.48, 3,425.64 and 1,187.74 is: 1,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.48 : 3,425.64 = 1,187.74 : x
  2. Step 2: Convert to fraction form
    2,284.48/3,425.64 = 1,187.74/x
  3. Step 3: Cross multiply
    2,284.48x = 3,425.64 × 1,187.74
  4. Step 4: Simplify right side
    2,284.48x = 4,068,769.65
  5. Step 5: Solve for x
    x = 4,068,769.65/2,284.48
  6. Step 6: Final answer
    x = 1,781.05

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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.