Home / 1,901.28-2,623.55-1,104.36

Finding the Fourth Proportional to 1,901.28, 2,623.55 and 1,104.36

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Solution

The fourth proportional to 1,901.28, 2,623.55 and 1,104.36 is: 1,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.28 : 2,623.55 = 1,104.36 : x
  2. Step 2: Convert to fraction form
    1,901.28/2,623.55 = 1,104.36/x
  3. Step 3: Cross multiply
    1,901.28x = 2,623.55 × 1,104.36
  4. Step 4: Simplify right side
    1,901.28x = 2,897,338.16
  5. Step 5: Solve for x
    x = 2,897,338.16/1,901.28
  6. Step 6: Final answer
    x = 1,523.89

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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.