Home / 1,901.15-2,623.01-1,115.04

Finding the Fourth Proportional to 1,901.15, 2,623.01 and 1,115.04

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Solution

The fourth proportional to 1,901.15, 2,623.01 and 1,115.04 is: 1,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.15 : 2,623.01 = 1,115.04 : x
  2. Step 2: Convert to fraction form
    1,901.15/2,623.01 = 1,115.04/x
  3. Step 3: Cross multiply
    1,901.15x = 2,623.01 × 1,115.04
  4. Step 4: Simplify right side
    1,901.15x = 2,924,761.07
  5. Step 5: Solve for x
    x = 2,924,761.07/1,901.15
  6. Step 6: Final answer
    x = 1,538.42

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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.