Home / 2,240.68-3,360.32-1,551.78

Finding the Fourth Proportional to 2,240.68, 3,360.32 and 1,551.78

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Solution

The fourth proportional to 2,240.68, 3,360.32 and 1,551.78 is: 2,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.68 : 3,360.32 = 1,551.78 : x
  2. Step 2: Convert to fraction form
    2,240.68/3,360.32 = 1,551.78/x
  3. Step 3: Cross multiply
    2,240.68x = 3,360.32 × 1,551.78
  4. Step 4: Simplify right side
    2,240.68x = 5,214,477.37
  5. Step 5: Solve for x
    x = 5,214,477.37/2,240.68
  6. Step 6: Final answer
    x = 2,327.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.