Home / 2,045.64-2,822.78-1,161.12

Finding the Fourth Proportional to 2,045.64, 2,822.78 and 1,161.12

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Solution

The fourth proportional to 2,045.64, 2,822.78 and 1,161.12 is: 1,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.64 : 2,822.78 = 1,161.12 : x
  2. Step 2: Convert to fraction form
    2,045.64/2,822.78 = 1,161.12/x
  3. Step 3: Cross multiply
    2,045.64x = 2,822.78 × 1,161.12
  4. Step 4: Simplify right side
    2,045.64x = 3,277,586.31
  5. Step 5: Solve for x
    x = 3,277,586.31/2,045.64
  6. Step 6: Final answer
    x = 1,602.23

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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.