Home / 2,642.45-3,645.75-1,523.24

Finding the Fourth Proportional to 2,642.45, 3,645.75 and 1,523.24

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Solution

The fourth proportional to 2,642.45, 3,645.75 and 1,523.24 is: 2,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.45 : 3,645.75 = 1,523.24 : x
  2. Step 2: Convert to fraction form
    2,642.45/3,645.75 = 1,523.24/x
  3. Step 3: Cross multiply
    2,642.45x = 3,645.75 × 1,523.24
  4. Step 4: Simplify right side
    2,642.45x = 5,553,353.38
  5. Step 5: Solve for x
    x = 5,553,353.38/2,642.45
  6. Step 6: Final answer
    x = 2,101.60

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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.