Home / 1,628.83-2,247.10-1,069.93

Finding the Fourth Proportional to 1,628.83, 2,247.10 and 1,069.93

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Solution

The fourth proportional to 1,628.83, 2,247.10 and 1,069.93 is: 1,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.83 : 2,247.10 = 1,069.93 : x
  2. Step 2: Convert to fraction form
    1,628.83/2,247.10 = 1,069.93/x
  3. Step 3: Cross multiply
    1,628.83x = 2,247.10 × 1,069.93
  4. Step 4: Simplify right side
    1,628.83x = 2,404,239.70
  5. Step 5: Solve for x
    x = 2,404,239.70/1,628.83
  6. Step 6: Final answer
    x = 1,476.05

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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.