Home / 1,901.26-2,623.63-1,115.25

Finding the Fourth Proportional to 1,901.26, 2,623.63 and 1,115.25

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Solution

The fourth proportional to 1,901.26, 2,623.63 and 1,115.25 is: 1,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.26 : 2,623.63 = 1,115.25 : x
  2. Step 2: Convert to fraction form
    1,901.26/2,623.63 = 1,115.25/x
  3. Step 3: Cross multiply
    1,901.26x = 2,623.63 × 1,115.25
  4. Step 4: Simplify right side
    1,901.26x = 2,926,003.36
  5. Step 5: Solve for x
    x = 2,926,003.36/1,901.26
  6. Step 6: Final answer
    x = 1,538.98

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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.