Home / 2,421.04-3,631.08-1,267.12

Finding the Fourth Proportional to 2,421.04, 3,631.08 and 1,267.12

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Solution

The fourth proportional to 2,421.04, 3,631.08 and 1,267.12 is: 1,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.04 : 3,631.08 = 1,267.12 : x
  2. Step 2: Convert to fraction form
    2,421.04/3,631.08 = 1,267.12/x
  3. Step 3: Cross multiply
    2,421.04x = 3,631.08 × 1,267.12
  4. Step 4: Simplify right side
    2,421.04x = 4,601,014.09
  5. Step 5: Solve for x
    x = 4,601,014.09/2,421.04
  6. Step 6: Final answer
    x = 1,900.43

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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.