Home / 3,122.51-4,303.13-2,236.77

Finding the Fourth Proportional to 3,122.51, 4,303.13 and 2,236.77

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Solution

The fourth proportional to 3,122.51, 4,303.13 and 2,236.77 is: 3,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.51 : 4,303.13 = 2,236.77 : x
  2. Step 2: Convert to fraction form
    3,122.51/4,303.13 = 2,236.77/x
  3. Step 3: Cross multiply
    3,122.51x = 4,303.13 × 2,236.77
  4. Step 4: Simplify right side
    3,122.51x = 9,625,112.09
  5. Step 5: Solve for x
    x = 9,625,112.09/3,122.51
  6. Step 6: Final answer
    x = 3,082.50

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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.