Home / 1,651.92-2,278.98-1,127.04

Finding the Fourth Proportional to 1,651.92, 2,278.98 and 1,127.04

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Solution

The fourth proportional to 1,651.92, 2,278.98 and 1,127.04 is: 1,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.92 : 2,278.98 = 1,127.04 : x
  2. Step 2: Convert to fraction form
    1,651.92/2,278.98 = 1,127.04/x
  3. Step 3: Cross multiply
    1,651.92x = 2,278.98 × 1,127.04
  4. Step 4: Simplify right side
    1,651.92x = 2,568,501.62
  5. Step 5: Solve for x
    x = 2,568,501.62/1,651.92
  6. Step 6: Final answer
    x = 1,554.86

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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.