Home / 2,518.74-3,778.20-1,057.92

Finding the Fourth Proportional to 2,518.74, 3,778.20 and 1,057.92

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Solution

The fourth proportional to 2,518.74, 3,778.20 and 1,057.92 is: 1,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.74 : 3,778.20 = 1,057.92 : x
  2. Step 2: Convert to fraction form
    2,518.74/3,778.20 = 1,057.92/x
  3. Step 3: Cross multiply
    2,518.74x = 3,778.20 × 1,057.92
  4. Step 4: Simplify right side
    2,518.74x = 3,997,033.34
  5. Step 5: Solve for x
    x = 3,997,033.34/2,518.74
  6. Step 6: Final answer
    x = 1,586.92

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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.