Home / 2,520.32-3,777.74-1,057.77

Finding the Fourth Proportional to 2,520.32, 3,777.74 and 1,057.77

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Solution

The fourth proportional to 2,520.32, 3,777.74 and 1,057.77 is: 1,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.32 : 3,777.74 = 1,057.77 : x
  2. Step 2: Convert to fraction form
    2,520.32/3,777.74 = 1,057.77/x
  3. Step 3: Cross multiply
    2,520.32x = 3,777.74 × 1,057.77
  4. Step 4: Simplify right side
    2,520.32x = 3,995,974.75
  5. Step 5: Solve for x
    x = 3,995,974.75/2,520.32
  6. Step 6: Final answer
    x = 1,585.51

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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.