Home / 2,490.08-3,749.68-1,845.36

Finding the Fourth Proportional to 2,490.08, 3,749.68 and 1,845.36

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Solution

The fourth proportional to 2,490.08, 3,749.68 and 1,845.36 is: 2,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.08 : 3,749.68 = 1,845.36 : x
  2. Step 2: Convert to fraction form
    2,490.08/3,749.68 = 1,845.36/x
  3. Step 3: Cross multiply
    2,490.08x = 3,749.68 × 1,845.36
  4. Step 4: Simplify right side
    2,490.08x = 6,919,509.48
  5. Step 5: Solve for x
    x = 6,919,509.48/2,490.08
  6. Step 6: Final answer
    x = 2,778.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.