Home / 2,642.73-3,647.35-1,523.45

Finding the Fourth Proportional to 2,642.73, 3,647.35 and 1,523.45

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Solution

The fourth proportional to 2,642.73, 3,647.35 and 1,523.45 is: 2,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.73 : 3,647.35 = 1,523.45 : x
  2. Step 2: Convert to fraction form
    2,642.73/3,647.35 = 1,523.45/x
  3. Step 3: Cross multiply
    2,642.73x = 3,647.35 × 1,523.45
  4. Step 4: Simplify right side
    2,642.73x = 5,556,537.12
  5. Step 5: Solve for x
    x = 5,556,537.12/2,642.73
  6. Step 6: Final answer
    x = 2,102.58

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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.