Home / 1,667.05-2,302.97-1,375.45

Finding the Fourth Proportional to 1,667.05, 2,302.97 and 1,375.45

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Solution

The fourth proportional to 1,667.05, 2,302.97 and 1,375.45 is: 1,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.05 : 2,302.97 = 1,375.45 : x
  2. Step 2: Convert to fraction form
    1,667.05/2,302.97 = 1,375.45/x
  3. Step 3: Cross multiply
    1,667.05x = 2,302.97 × 1,375.45
  4. Step 4: Simplify right side
    1,667.05x = 3,167,607.45
  5. Step 5: Solve for x
    x = 3,167,607.45/1,667.05
  6. Step 6: Final answer
    x = 1,900.13

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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.