Home / 1,946.49-2,686.26-1,106.92

Finding the Fourth Proportional to 1,946.49, 2,686.26 and 1,106.92

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Solution

The fourth proportional to 1,946.49, 2,686.26 and 1,106.92 is: 1,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.49 : 2,686.26 = 1,106.92 : x
  2. Step 2: Convert to fraction form
    1,946.49/2,686.26 = 1,106.92/x
  3. Step 3: Cross multiply
    1,946.49x = 2,686.26 × 1,106.92
  4. Step 4: Simplify right side
    1,946.49x = 2,973,474.92
  5. Step 5: Solve for x
    x = 2,973,474.92/1,946.49
  6. Step 6: Final answer
    x = 1,527.61

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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.