Home / 1,812.43-2,500.26-1,182.67

Finding the Fourth Proportional to 1,812.43, 2,500.26 and 1,182.67

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Solution

The fourth proportional to 1,812.43, 2,500.26 and 1,182.67 is: 1,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.43 : 2,500.26 = 1,182.67 : x
  2. Step 2: Convert to fraction form
    1,812.43/2,500.26 = 1,182.67/x
  3. Step 3: Cross multiply
    1,812.43x = 2,500.26 × 1,182.67
  4. Step 4: Simplify right side
    1,812.43x = 2,956,982.49
  5. Step 5: Solve for x
    x = 2,956,982.49/1,812.43
  6. Step 6: Final answer
    x = 1,631.50

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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.