Home / 3,176.22-4,765.47-1,421.08

Finding the Fourth Proportional to 3,176.22, 4,765.47 and 1,421.08

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Solution

The fourth proportional to 3,176.22, 4,765.47 and 1,421.08 is: 2,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.22 : 4,765.47 = 1,421.08 : x
  2. Step 2: Convert to fraction form
    3,176.22/4,765.47 = 1,421.08/x
  3. Step 3: Cross multiply
    3,176.22x = 4,765.47 × 1,421.08
  4. Step 4: Simplify right side
    3,176.22x = 6,772,114.11
  5. Step 5: Solve for x
    x = 6,772,114.11/3,176.22
  6. Step 6: Final answer
    x = 2,132.13

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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.