Home / 2,356.16-3,251.48-1,308.20

Finding the Fourth Proportional to 2,356.16, 3,251.48 and 1,308.20

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Solution

The fourth proportional to 2,356.16, 3,251.48 and 1,308.20 is: 1,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.16 : 3,251.48 = 1,308.20 : x
  2. Step 2: Convert to fraction form
    2,356.16/3,251.48 = 1,308.20/x
  3. Step 3: Cross multiply
    2,356.16x = 3,251.48 × 1,308.20
  4. Step 4: Simplify right side
    2,356.16x = 4,253,563.34
  5. Step 5: Solve for x
    x = 4,253,563.34/2,356.16
  6. Step 6: Final answer
    x = 1,805.30

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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.