Home / 1,628.91-2,246.54-1,333.67

Finding the Fourth Proportional to 1,628.91, 2,246.54 and 1,333.67

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Solution

The fourth proportional to 1,628.91, 2,246.54 and 1,333.67 is: 1,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.91 : 2,246.54 = 1,333.67 : x
  2. Step 2: Convert to fraction form
    1,628.91/2,246.54 = 1,333.67/x
  3. Step 3: Cross multiply
    1,628.91x = 2,246.54 × 1,333.67
  4. Step 4: Simplify right side
    1,628.91x = 2,996,125.10
  5. Step 5: Solve for x
    x = 2,996,125.10/1,628.91
  6. Step 6: Final answer
    x = 1,839.34

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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.