Home / 2,962.40-4,088.03-1,636.09

Finding the Fourth Proportional to 2,962.40, 4,088.03 and 1,636.09

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Solution

The fourth proportional to 2,962.40, 4,088.03 and 1,636.09 is: 2,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.40 : 4,088.03 = 1,636.09 : x
  2. Step 2: Convert to fraction form
    2,962.40/4,088.03 = 1,636.09/x
  3. Step 3: Cross multiply
    2,962.40x = 4,088.03 × 1,636.09
  4. Step 4: Simplify right side
    2,962.40x = 6,688,378.87
  5. Step 5: Solve for x
    x = 6,688,378.87/2,962.40
  6. Step 6: Final answer
    x = 2,257.76

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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.