Home / 1,946.60-2,685.12-1,199.24

Finding the Fourth Proportional to 1,946.60, 2,685.12 and 1,199.24

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Solution

The fourth proportional to 1,946.60, 2,685.12 and 1,199.24 is: 1,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.60 : 2,685.12 = 1,199.24 : x
  2. Step 2: Convert to fraction form
    1,946.60/2,685.12 = 1,199.24/x
  3. Step 3: Cross multiply
    1,946.60x = 2,685.12 × 1,199.24
  4. Step 4: Simplify right side
    1,946.60x = 3,220,103.31
  5. Step 5: Solve for x
    x = 3,220,103.31/1,946.60
  6. Step 6: Final answer
    x = 1,654.22

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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.