Home / 2,523.70-3,482.49-1,389.25

Finding the Fourth Proportional to 2,523.70, 3,482.49 and 1,389.25

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Solution

The fourth proportional to 2,523.70, 3,482.49 and 1,389.25 is: 1,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.70 : 3,482.49 = 1,389.25 : x
  2. Step 2: Convert to fraction form
    2,523.70/3,482.49 = 1,389.25/x
  3. Step 3: Cross multiply
    2,523.70x = 3,482.49 × 1,389.25
  4. Step 4: Simplify right side
    2,523.70x = 4,838,049.23
  5. Step 5: Solve for x
    x = 4,838,049.23/2,523.70
  6. Step 6: Final answer
    x = 1,917.05

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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.