Home / 1,467.72-2,025.40-877.95

Finding the Fourth Proportional to 1,467.72, 2,025.40 and 877.95

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Solution

The fourth proportional to 1,467.72, 2,025.40 and 877.95 is: 1,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.72 : 2,025.40 = 877.95 : x
  2. Step 2: Convert to fraction form
    1,467.72/2,025.40 = 877.95/x
  3. Step 3: Cross multiply
    1,467.72x = 2,025.40 × 877.95
  4. Step 4: Simplify right side
    1,467.72x = 1,778,199.93
  5. Step 5: Solve for x
    x = 1,778,199.93/1,467.72
  6. Step 6: Final answer
    x = 1,211.54

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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.