Home / 1,465.41-2,020.91-1,267.77

Finding the Fourth Proportional to 1,465.41, 2,020.91 and 1,267.77

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Solution

The fourth proportional to 1,465.41, 2,020.91 and 1,267.77 is: 1,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.41 : 2,020.91 = 1,267.77 : x
  2. Step 2: Convert to fraction form
    1,465.41/2,020.91 = 1,267.77/x
  3. Step 3: Cross multiply
    1,465.41x = 2,020.91 × 1,267.77
  4. Step 4: Simplify right side
    1,465.41x = 2,562,042.73
  5. Step 5: Solve for x
    x = 2,562,042.73/1,465.41
  6. Step 6: Final answer
    x = 1,748.35

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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.