Home / 2,425.48-3,346.38-1,431.09

Finding the Fourth Proportional to 2,425.48, 3,346.38 and 1,431.09

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Solution

The fourth proportional to 2,425.48, 3,346.38 and 1,431.09 is: 1,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.48 : 3,346.38 = 1,431.09 : x
  2. Step 2: Convert to fraction form
    2,425.48/3,346.38 = 1,431.09/x
  3. Step 3: Cross multiply
    2,425.48x = 3,346.38 × 1,431.09
  4. Step 4: Simplify right side
    2,425.48x = 4,788,970.95
  5. Step 5: Solve for x
    x = 4,788,970.95/2,425.48
  6. Step 6: Final answer
    x = 1,974.44

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Half scale
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Double scale
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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.