Home / 2,045.16-2,822.28-1,113.64

Finding the Fourth Proportional to 2,045.16, 2,822.28 and 1,113.64

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Solution

The fourth proportional to 2,045.16, 2,822.28 and 1,113.64 is: 1,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.16 : 2,822.28 = 1,113.64 : x
  2. Step 2: Convert to fraction form
    2,045.16/2,822.28 = 1,113.64/x
  3. Step 3: Cross multiply
    2,045.16x = 2,822.28 × 1,113.64
  4. Step 4: Simplify right side
    2,045.16x = 3,143,003.90
  5. Step 5: Solve for x
    x = 3,143,003.90/2,045.16
  6. Step 6: Final answer
    x = 1,536.80

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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.