Home / 1,946.40-2,686.03-1,062.21

Finding the Fourth Proportional to 1,946.40, 2,686.03 and 1,062.21

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Solution

The fourth proportional to 1,946.40, 2,686.03 and 1,062.21 is: 1,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.40 : 2,686.03 = 1,062.21 : x
  2. Step 2: Convert to fraction form
    1,946.40/2,686.03 = 1,062.21/x
  3. Step 3: Cross multiply
    1,946.40x = 2,686.03 × 1,062.21
  4. Step 4: Simplify right side
    1,946.40x = 2,853,118.56
  5. Step 5: Solve for x
    x = 2,853,118.56/1,946.40
  6. Step 6: Final answer
    x = 1,465.85

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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.