Home / 2,328.08-3,211.34-1,383.52

Finding the Fourth Proportional to 2,328.08, 3,211.34 and 1,383.52

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Solution

The fourth proportional to 2,328.08, 3,211.34 and 1,383.52 is: 1,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.08 : 3,211.34 = 1,383.52 : x
  2. Step 2: Convert to fraction form
    2,328.08/3,211.34 = 1,383.52/x
  3. Step 3: Cross multiply
    2,328.08x = 3,211.34 × 1,383.52
  4. Step 4: Simplify right side
    2,328.08x = 4,442,953.12
  5. Step 5: Solve for x
    x = 4,442,953.12/2,328.08
  6. Step 6: Final answer
    x = 1,908.42

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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.