Home / 2,308.98-3,186.36-1,314.30

Finding the Fourth Proportional to 2,308.98, 3,186.36 and 1,314.30

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Solution

The fourth proportional to 2,308.98, 3,186.36 and 1,314.30 is: 1,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.98 : 3,186.36 = 1,314.30 : x
  2. Step 2: Convert to fraction form
    2,308.98/3,186.36 = 1,314.30/x
  3. Step 3: Cross multiply
    2,308.98x = 3,186.36 × 1,314.30
  4. Step 4: Simplify right side
    2,308.98x = 4,187,832.95
  5. Step 5: Solve for x
    x = 4,187,832.95/2,308.98
  6. Step 6: Final answer
    x = 1,813.72

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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.