Home / 2,421.40-3,630.30-1,033.60

Finding the Fourth Proportional to 2,421.40, 3,630.30 and 1,033.60

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Solution

The fourth proportional to 2,421.40, 3,630.30 and 1,033.60 is: 1,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.40 : 3,630.30 = 1,033.60 : x
  2. Step 2: Convert to fraction form
    2,421.40/3,630.30 = 1,033.60/x
  3. Step 3: Cross multiply
    2,421.40x = 3,630.30 × 1,033.60
  4. Step 4: Simplify right side
    2,421.40x = 3,752,278.08
  5. Step 5: Solve for x
    x = 3,752,278.08/2,421.40
  6. Step 6: Final answer
    x = 1,549.63

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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.