Home / 2,562.45-3,840.72-1,246.86

Finding the Fourth Proportional to 2,562.45, 3,840.72 and 1,246.86

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Solution

The fourth proportional to 2,562.45, 3,840.72 and 1,246.86 is: 1,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.45 : 3,840.72 = 1,246.86 : x
  2. Step 2: Convert to fraction form
    2,562.45/3,840.72 = 1,246.86/x
  3. Step 3: Cross multiply
    2,562.45x = 3,840.72 × 1,246.86
  4. Step 4: Simplify right side
    2,562.45x = 4,788,840.14
  5. Step 5: Solve for x
    x = 4,788,840.14/2,562.45
  6. Step 6: Final answer
    x = 1,868.85

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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.