Home / 1,822.16-2,512.80-1,192.04

Finding the Fourth Proportional to 1,822.16, 2,512.80 and 1,192.04

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Solution

The fourth proportional to 1,822.16, 2,512.80 and 1,192.04 is: 1,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.16 : 2,512.80 = 1,192.04 : x
  2. Step 2: Convert to fraction form
    1,822.16/2,512.80 = 1,192.04/x
  3. Step 3: Cross multiply
    1,822.16x = 2,512.80 × 1,192.04
  4. Step 4: Simplify right side
    1,822.16x = 2,995,358.11
  5. Step 5: Solve for x
    x = 2,995,358.11/1,822.16
  6. Step 6: Final answer
    x = 1,643.85

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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.