Home / 1,786.24-2,465.09-1,000.30

Finding the Fourth Proportional to 1,786.24, 2,465.09 and 1,000.30

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Solution

The fourth proportional to 1,786.24, 2,465.09 and 1,000.30 is: 1,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.24 : 2,465.09 = 1,000.30 : x
  2. Step 2: Convert to fraction form
    1,786.24/2,465.09 = 1,000.30/x
  3. Step 3: Cross multiply
    1,786.24x = 2,465.09 × 1,000.30
  4. Step 4: Simplify right side
    1,786.24x = 2,465,812.20
  5. Step 5: Solve for x
    x = 2,465,812.20/1,786.24
  6. Step 6: Final answer
    x = 1,380.45

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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.