Home / 2,853.77-4,277.45-1,291.43

Finding the Fourth Proportional to 2,853.77, 4,277.45 and 1,291.43

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Solution

The fourth proportional to 2,853.77, 4,277.45 and 1,291.43 is: 1,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.77 : 4,277.45 = 1,291.43 : x
  2. Step 2: Convert to fraction form
    2,853.77/4,277.45 = 1,291.43/x
  3. Step 3: Cross multiply
    2,853.77x = 4,277.45 × 1,291.43
  4. Step 4: Simplify right side
    2,853.77x = 5,523,999.41
  5. Step 5: Solve for x
    x = 5,523,999.41/2,853.77
  6. Step 6: Final answer
    x = 1,935.69

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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.