Home / 2,853.51-4,281.09-1,294.86

Finding the Fourth Proportional to 2,853.51, 4,281.09 and 1,294.86

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Solution

The fourth proportional to 2,853.51, 4,281.09 and 1,294.86 is: 1,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.51 : 4,281.09 = 1,294.86 : x
  2. Step 2: Convert to fraction form
    2,853.51/4,281.09 = 1,294.86/x
  3. Step 3: Cross multiply
    2,853.51x = 4,281.09 × 1,294.86
  4. Step 4: Simplify right side
    2,853.51x = 5,543,412.20
  5. Step 5: Solve for x
    x = 5,543,412.20/2,853.51
  6. Step 6: Final answer
    x = 1,942.66

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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.