Home / 3,538.07-5,308.56-1,782.12

Finding the Fourth Proportional to 3,538.07, 5,308.56 and 1,782.12

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Solution

The fourth proportional to 3,538.07, 5,308.56 and 1,782.12 is: 2,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.07 : 5,308.56 = 1,782.12 : x
  2. Step 2: Convert to fraction form
    3,538.07/5,308.56 = 1,782.12/x
  3. Step 3: Cross multiply
    3,538.07x = 5,308.56 × 1,782.12
  4. Step 4: Simplify right side
    3,538.07x = 9,460,490.95
  5. Step 5: Solve for x
    x = 9,460,490.95/3,538.07
  6. Step 6: Final answer
    x = 2,673.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.