Home / 2,301.69-3,176.00-1,306.84

Finding the Fourth Proportional to 2,301.69, 3,176.00 and 1,306.84

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Solution

The fourth proportional to 2,301.69, 3,176.00 and 1,306.84 is: 1,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.69 : 3,176.00 = 1,306.84 : x
  2. Step 2: Convert to fraction form
    2,301.69/3,176.00 = 1,306.84/x
  3. Step 3: Cross multiply
    2,301.69x = 3,176.00 × 1,306.84
  4. Step 4: Simplify right side
    2,301.69x = 4,150,519.17
  5. Step 5: Solve for x
    x = 4,150,519.17/2,301.69
  6. Step 6: Final answer
    x = 1,803.25

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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.