Home / 1,786.36-2,465.16-1,000.38

Finding the Fourth Proportional to 1,786.36, 2,465.16 and 1,000.38

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Solution

The fourth proportional to 1,786.36, 2,465.16 and 1,000.38 is: 1,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.36 : 2,465.16 = 1,000.38 : x
  2. Step 2: Convert to fraction form
    1,786.36/2,465.16 = 1,000.38/x
  3. Step 3: Cross multiply
    1,786.36x = 2,465.16 × 1,000.38
  4. Step 4: Simplify right side
    1,786.36x = 2,466,096.76
  5. Step 5: Solve for x
    x = 2,466,096.76/1,786.36
  6. Step 6: Final answer
    x = 1,380.51

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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.