Home / 1,966.72-2,949.54-1,088.92

Finding the Fourth Proportional to 1,966.72, 2,949.54 and 1,088.92

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Solution

The fourth proportional to 1,966.72, 2,949.54 and 1,088.92 is: 1,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.72 : 2,949.54 = 1,088.92 : x
  2. Step 2: Convert to fraction form
    1,966.72/2,949.54 = 1,088.92/x
  3. Step 3: Cross multiply
    1,966.72x = 2,949.54 × 1,088.92
  4. Step 4: Simplify right side
    1,966.72x = 3,211,813.10
  5. Step 5: Solve for x
    x = 3,211,813.10/1,966.72
  6. Step 6: Final answer
    x = 1,633.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.