Home / 2,912.29-4,018.27-1,653.07

Finding the Fourth Proportional to 2,912.29, 4,018.27 and 1,653.07

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Solution

The fourth proportional to 2,912.29, 4,018.27 and 1,653.07 is: 2,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.29 : 4,018.27 = 1,653.07 : x
  2. Step 2: Convert to fraction form
    2,912.29/4,018.27 = 1,653.07/x
  3. Step 3: Cross multiply
    2,912.29x = 4,018.27 × 1,653.07
  4. Step 4: Simplify right side
    2,912.29x = 6,642,481.59
  5. Step 5: Solve for x
    x = 6,642,481.59/2,912.29
  6. Step 6: Final answer
    x = 2,280.84

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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.