Home / 2,176.22-3,263.64-715.05

Finding the Fourth Proportional to 2,176.22, 3,263.64 and 715.05

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Solution

The fourth proportional to 2,176.22, 3,263.64 and 715.05 is: 1,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.22 : 3,263.64 = 715.05 : x
  2. Step 2: Convert to fraction form
    2,176.22/3,263.64 = 715.05/x
  3. Step 3: Cross multiply
    2,176.22x = 3,263.64 × 715.05
  4. Step 4: Simplify right side
    2,176.22x = 2,333,665.78
  5. Step 5: Solve for x
    x = 2,333,665.78/2,176.22
  6. Step 6: Final answer
    x = 1,072.35

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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.