Home / 3,030.30-4,183.89-2,320.89

Finding the Fourth Proportional to 3,030.30, 4,183.89 and 2,320.89

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Solution

The fourth proportional to 3,030.30, 4,183.89 and 2,320.89 is: 3,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.30 : 4,183.89 = 2,320.89 : x
  2. Step 2: Convert to fraction form
    3,030.30/4,183.89 = 2,320.89/x
  3. Step 3: Cross multiply
    3,030.30x = 4,183.89 × 2,320.89
  4. Step 4: Simplify right side
    3,030.30x = 9,710,348.46
  5. Step 5: Solve for x
    x = 9,710,348.46/3,030.30
  6. Step 6: Final answer
    x = 3,204.42

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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.