Home / 1,859.08-2,563.61-1,299.34

Finding the Fourth Proportional to 1,859.08, 2,563.61 and 1,299.34

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Solution

The fourth proportional to 1,859.08, 2,563.61 and 1,299.34 is: 1,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.08 : 2,563.61 = 1,299.34 : x
  2. Step 2: Convert to fraction form
    1,859.08/2,563.61 = 1,299.34/x
  3. Step 3: Cross multiply
    1,859.08x = 2,563.61 × 1,299.34
  4. Step 4: Simplify right side
    1,859.08x = 3,331,007.47
  5. Step 5: Solve for x
    x = 3,331,007.47/1,859.08
  6. Step 6: Final answer
    x = 1,791.75

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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.