Home / 1,450.92-2,001.06-1,188.48

Finding the Fourth Proportional to 1,450.92, 2,001.06 and 1,188.48

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Solution

The fourth proportional to 1,450.92, 2,001.06 and 1,188.48 is: 1,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.92 : 2,001.06 = 1,188.48 : x
  2. Step 2: Convert to fraction form
    1,450.92/2,001.06 = 1,188.48/x
  3. Step 3: Cross multiply
    1,450.92x = 2,001.06 × 1,188.48
  4. Step 4: Simplify right side
    1,450.92x = 2,378,219.79
  5. Step 5: Solve for x
    x = 2,378,219.79/1,450.92
  6. Step 6: Final answer
    x = 1,639.11

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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.