Home / 2,045.28-2,822.75-1,161.37

Finding the Fourth Proportional to 2,045.28, 2,822.75 and 1,161.37

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Solution

The fourth proportional to 2,045.28, 2,822.75 and 1,161.37 is: 1,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.28 : 2,822.75 = 1,161.37 : x
  2. Step 2: Convert to fraction form
    2,045.28/2,822.75 = 1,161.37/x
  3. Step 3: Cross multiply
    2,045.28x = 2,822.75 × 1,161.37
  4. Step 4: Simplify right side
    2,045.28x = 3,278,257.17
  5. Step 5: Solve for x
    x = 3,278,257.17/2,045.28
  6. Step 6: Final answer
    x = 1,602.84

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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.