Home / 2,530.08-3,490.68-1,481.40

Finding the Fourth Proportional to 2,530.08, 3,490.68 and 1,481.40

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Solution

The fourth proportional to 2,530.08, 3,490.68 and 1,481.40 is: 2,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.08 : 3,490.68 = 1,481.40 : x
  2. Step 2: Convert to fraction form
    2,530.08/3,490.68 = 1,481.40/x
  3. Step 3: Cross multiply
    2,530.08x = 3,490.68 × 1,481.40
  4. Step 4: Simplify right side
    2,530.08x = 5,171,093.35
  5. Step 5: Solve for x
    x = 5,171,093.35/2,530.08
  6. Step 6: Final answer
    x = 2,043.85

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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.