Home / 2,600.25-3,588.36-1,668.75

Finding the Fourth Proportional to 2,600.25, 3,588.36 and 1,668.75

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Solution

The fourth proportional to 2,600.25, 3,588.36 and 1,668.75 is: 2,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.25 : 3,588.36 = 1,668.75 : x
  2. Step 2: Convert to fraction form
    2,600.25/3,588.36 = 1,668.75/x
  3. Step 3: Cross multiply
    2,600.25x = 3,588.36 × 1,668.75
  4. Step 4: Simplify right side
    2,600.25x = 5,988,075.75
  5. Step 5: Solve for x
    x = 5,988,075.75/2,600.25
  6. Step 6: Final answer
    x = 2,302.88

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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.