Home / 2,254.53-3,113.39-2,131.82

Finding the Fourth Proportional to 2,254.53, 3,113.39 and 2,131.82

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Solution

The fourth proportional to 2,254.53, 3,113.39 and 2,131.82 is: 2,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.53 : 3,113.39 = 2,131.82 : x
  2. Step 2: Convert to fraction form
    2,254.53/3,113.39 = 2,131.82/x
  3. Step 3: Cross multiply
    2,254.53x = 3,113.39 × 2,131.82
  4. Step 4: Simplify right side
    2,254.53x = 6,637,187.07
  5. Step 5: Solve for x
    x = 6,637,187.07/2,254.53
  6. Step 6: Final answer
    x = 2,943.93

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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.