Home / 2,293.22-3,164.36-1,284.98

Finding the Fourth Proportional to 2,293.22, 3,164.36 and 1,284.98

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Solution

The fourth proportional to 2,293.22, 3,164.36 and 1,284.98 is: 1,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.22 : 3,164.36 = 1,284.98 : x
  2. Step 2: Convert to fraction form
    2,293.22/3,164.36 = 1,284.98/x
  3. Step 3: Cross multiply
    2,293.22x = 3,164.36 × 1,284.98
  4. Step 4: Simplify right side
    2,293.22x = 4,066,123.49
  5. Step 5: Solve for x
    x = 4,066,123.49/2,293.22
  6. Step 6: Final answer
    x = 1,773.11

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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.