Home / 1,946.96-2,686.84-1,062.80

Finding the Fourth Proportional to 1,946.96, 2,686.84 and 1,062.80

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Solution

The fourth proportional to 1,946.96, 2,686.84 and 1,062.80 is: 1,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.96 : 2,686.84 = 1,062.80 : x
  2. Step 2: Convert to fraction form
    1,946.96/2,686.84 = 1,062.80/x
  3. Step 3: Cross multiply
    1,946.96x = 2,686.84 × 1,062.80
  4. Step 4: Simplify right side
    1,946.96x = 2,855,573.55
  5. Step 5: Solve for x
    x = 2,855,573.55/1,946.96
  6. Step 6: Final answer
    x = 1,466.68

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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.