Home / 1,467.65-2,025.33-877.85

Finding the Fourth Proportional to 1,467.65, 2,025.33 and 877.85

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Solution

The fourth proportional to 1,467.65, 2,025.33 and 877.85 is: 1,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.65 : 2,025.33 = 877.85 : x
  2. Step 2: Convert to fraction form
    1,467.65/2,025.33 = 877.85/x
  3. Step 3: Cross multiply
    1,467.65x = 2,025.33 × 877.85
  4. Step 4: Simplify right side
    1,467.65x = 1,777,935.94
  5. Step 5: Solve for x
    x = 1,777,935.94/1,467.65
  6. Step 6: Final answer
    x = 1,211.42

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1.5x scale

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.