Home / 2,874.30-4,311.45-1,025.48

Finding the Fourth Proportional to 2,874.30, 4,311.45 and 1,025.48

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Solution

The fourth proportional to 2,874.30, 4,311.45 and 1,025.48 is: 1,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.30 : 4,311.45 = 1,025.48 : x
  2. Step 2: Convert to fraction form
    2,874.30/4,311.45 = 1,025.48/x
  3. Step 3: Cross multiply
    2,874.30x = 4,311.45 × 1,025.48
  4. Step 4: Simplify right side
    2,874.30x = 4,421,284.19
  5. Step 5: Solve for x
    x = 4,421,284.19/2,874.30
  6. Step 6: Final answer
    x = 1,538.21

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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.