Home / 2,285.79-3,154.40-1,446.85

Finding the Fourth Proportional to 2,285.79, 3,154.40 and 1,446.85

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Solution

The fourth proportional to 2,285.79, 3,154.40 and 1,446.85 is: 1,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.79 : 3,154.40 = 1,446.85 : x
  2. Step 2: Convert to fraction form
    2,285.79/3,154.40 = 1,446.85/x
  3. Step 3: Cross multiply
    2,285.79x = 3,154.40 × 1,446.85
  4. Step 4: Simplify right side
    2,285.79x = 4,563,955.14
  5. Step 5: Solve for x
    x = 4,563,955.14/2,285.79
  6. Step 6: Final answer
    x = 1,996.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.