Home / 3,081.24-4,252.05-1,754.91

Finding the Fourth Proportional to 3,081.24, 4,252.05 and 1,754.91

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Solution

The fourth proportional to 3,081.24, 4,252.05 and 1,754.91 is: 2,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.24 : 4,252.05 = 1,754.91 : x
  2. Step 2: Convert to fraction form
    3,081.24/4,252.05 = 1,754.91/x
  3. Step 3: Cross multiply
    3,081.24x = 4,252.05 × 1,754.91
  4. Step 4: Simplify right side
    3,081.24x = 7,461,965.07
  5. Step 5: Solve for x
    x = 7,461,965.07/3,081.24
  6. Step 6: Final answer
    x = 2,421.74

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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.