Home / 2,338.13-3,226.62-1,275.89

Finding the Fourth Proportional to 2,338.13, 3,226.62 and 1,275.89

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Solution

The fourth proportional to 2,338.13, 3,226.62 and 1,275.89 is: 1,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.13 : 3,226.62 = 1,275.89 : x
  2. Step 2: Convert to fraction form
    2,338.13/3,226.62 = 1,275.89/x
  3. Step 3: Cross multiply
    2,338.13x = 3,226.62 × 1,275.89
  4. Step 4: Simplify right side
    2,338.13x = 4,116,800.84
  5. Step 5: Solve for x
    x = 4,116,800.84/2,338.13
  6. Step 6: Final answer
    x = 1,760.72

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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.