Home / 2,308.30-3,182.86-1,887.34

Finding the Fourth Proportional to 2,308.30, 3,182.86 and 1,887.34

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Solution

The fourth proportional to 2,308.30, 3,182.86 and 1,887.34 is: 2,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.30 : 3,182.86 = 1,887.34 : x
  2. Step 2: Convert to fraction form
    2,308.30/3,182.86 = 1,887.34/x
  3. Step 3: Cross multiply
    2,308.30x = 3,182.86 × 1,887.34
  4. Step 4: Simplify right side
    2,308.30x = 6,007,138.99
  5. Step 5: Solve for x
    x = 6,007,138.99/2,308.30
  6. Step 6: Final answer
    x = 2,602.41

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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.