Home / 2,421.60-3,624.30-2,227.20

Finding the Fourth Proportional to 2,421.60, 3,624.30 and 2,227.20

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Solution

The fourth proportional to 2,421.60, 3,624.30 and 2,227.20 is: 3,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.60 : 3,624.30 = 2,227.20 : x
  2. Step 2: Convert to fraction form
    2,421.60/3,624.30 = 2,227.20/x
  3. Step 3: Cross multiply
    2,421.60x = 3,624.30 × 2,227.20
  4. Step 4: Simplify right side
    2,421.60x = 8,072,040.96
  5. Step 5: Solve for x
    x = 8,072,040.96/2,421.60
  6. Step 6: Final answer
    x = 3,333.35

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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.