Home / 2,267.85-3,129.64-1,324.28

Finding the Fourth Proportional to 2,267.85, 3,129.64 and 1,324.28

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Solution

The fourth proportional to 2,267.85, 3,129.64 and 1,324.28 is: 1,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.85 : 3,129.64 = 1,324.28 : x
  2. Step 2: Convert to fraction form
    2,267.85/3,129.64 = 1,324.28/x
  3. Step 3: Cross multiply
    2,267.85x = 3,129.64 × 1,324.28
  4. Step 4: Simplify right side
    2,267.85x = 4,144,524.17
  5. Step 5: Solve for x
    x = 4,144,524.17/2,267.85
  6. Step 6: Final answer
    x = 1,827.51

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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.