Home / 2,286.60-3,425.85-1,875.12

Finding the Fourth Proportional to 2,286.60, 3,425.85 and 1,875.12

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Solution

The fourth proportional to 2,286.60, 3,425.85 and 1,875.12 is: 2,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.60 : 3,425.85 = 1,875.12 : x
  2. Step 2: Convert to fraction form
    2,286.60/3,425.85 = 1,875.12/x
  3. Step 3: Cross multiply
    2,286.60x = 3,425.85 × 1,875.12
  4. Step 4: Simplify right side
    2,286.60x = 6,423,879.85
  5. Step 5: Solve for x
    x = 6,423,879.85/2,286.60
  6. Step 6: Final answer
    x = 2,809.36

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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.