Home / 1,768.31-2,441.18-1,246.67

Finding the Fourth Proportional to 1,768.31, 2,441.18 and 1,246.67

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Solution

The fourth proportional to 1,768.31, 2,441.18 and 1,246.67 is: 1,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.31 : 2,441.18 = 1,246.67 : x
  2. Step 2: Convert to fraction form
    1,768.31/2,441.18 = 1,246.67/x
  3. Step 3: Cross multiply
    1,768.31x = 2,441.18 × 1,246.67
  4. Step 4: Simplify right side
    1,768.31x = 3,043,345.87
  5. Step 5: Solve for x
    x = 3,043,345.87/1,768.31
  6. Step 6: Final answer
    x = 1,721.05

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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.