Home / 2,306.30-3,459.78-845.10

Finding the Fourth Proportional to 2,306.30, 3,459.78 and 845.10

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Solution

The fourth proportional to 2,306.30, 3,459.78 and 845.10 is: 1,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.30 : 3,459.78 = 845.10 : x
  2. Step 2: Convert to fraction form
    2,306.30/3,459.78 = 845.10/x
  3. Step 3: Cross multiply
    2,306.30x = 3,459.78 × 845.10
  4. Step 4: Simplify right side
    2,306.30x = 2,923,860.08
  5. Step 5: Solve for x
    x = 2,923,860.08/2,306.30
  6. Step 6: Final answer
    x = 1,267.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.