Home / 1,729.01-2,386.88-1,169.27

Finding the Fourth Proportional to 1,729.01, 2,386.88 and 1,169.27

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Solution

The fourth proportional to 1,729.01, 2,386.88 and 1,169.27 is: 1,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.01 : 2,386.88 = 1,169.27 : x
  2. Step 2: Convert to fraction form
    1,729.01/2,386.88 = 1,169.27/x
  3. Step 3: Cross multiply
    1,729.01x = 2,386.88 × 1,169.27
  4. Step 4: Simplify right side
    1,729.01x = 2,790,907.18
  5. Step 5: Solve for x
    x = 2,790,907.18/1,729.01
  6. Step 6: Final answer
    x = 1,614.16

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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.