Home / 1,492.44-2,228.65-1,261.58

Finding the Fourth Proportional to 1,492.44, 2,228.65 and 1,261.58

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Solution

The fourth proportional to 1,492.44, 2,228.65 and 1,261.58 is: 1,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.44 : 2,228.65 = 1,261.58 : x
  2. Step 2: Convert to fraction form
    1,492.44/2,228.65 = 1,261.58/x
  3. Step 3: Cross multiply
    1,492.44x = 2,228.65 × 1,261.58
  4. Step 4: Simplify right side
    1,492.44x = 2,811,620.27
  5. Step 5: Solve for x
    x = 2,811,620.27/1,492.44
  6. Step 6: Final answer
    x = 1,883.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.