Home / 1,946.80-2,685.99-1,451.08

Finding the Fourth Proportional to 1,946.80, 2,685.99 and 1,451.08

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Solution

The fourth proportional to 1,946.80, 2,685.99 and 1,451.08 is: 2,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.80 : 2,685.99 = 1,451.08 : x
  2. Step 2: Convert to fraction form
    1,946.80/2,685.99 = 1,451.08/x
  3. Step 3: Cross multiply
    1,946.80x = 2,685.99 × 1,451.08
  4. Step 4: Simplify right side
    1,946.80x = 3,897,586.37
  5. Step 5: Solve for x
    x = 3,897,586.37/1,946.80
  6. Step 6: Final answer
    x = 2,002.05

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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.