Home / 2,045.61-2,822.96-1,161.43

Finding the Fourth Proportional to 2,045.61, 2,822.96 and 1,161.43

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Solution

The fourth proportional to 2,045.61, 2,822.96 and 1,161.43 is: 1,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.61 : 2,822.96 = 1,161.43 : x
  2. Step 2: Convert to fraction form
    2,045.61/2,822.96 = 1,161.43/x
  3. Step 3: Cross multiply
    2,045.61x = 2,822.96 × 1,161.43
  4. Step 4: Simplify right side
    2,045.61x = 3,278,670.43
  5. Step 5: Solve for x
    x = 3,278,670.43/2,045.61
  6. Step 6: Final answer
    x = 1,602.78

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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.