Home / 2,346.79-3,238.67-1,298.85

Finding the Fourth Proportional to 2,346.79, 3,238.67 and 1,298.85

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Solution

The fourth proportional to 2,346.79, 3,238.67 and 1,298.85 is: 1,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.79 : 3,238.67 = 1,298.85 : x
  2. Step 2: Convert to fraction form
    2,346.79/3,238.67 = 1,298.85/x
  3. Step 3: Cross multiply
    2,346.79x = 3,238.67 × 1,298.85
  4. Step 4: Simplify right side
    2,346.79x = 4,206,546.53
  5. Step 5: Solve for x
    x = 4,206,546.53/2,346.79
  6. Step 6: Final answer
    x = 1,792.47

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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.