Home / 3,565.36-4,909.44-3,191.14

Finding the Fourth Proportional to 3,565.36, 4,909.44 and 3,191.14

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Solution

The fourth proportional to 3,565.36, 4,909.44 and 3,191.14 is: 4,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.36 : 4,909.44 = 3,191.14 : x
  2. Step 2: Convert to fraction form
    3,565.36/4,909.44 = 3,191.14/x
  3. Step 3: Cross multiply
    3,565.36x = 4,909.44 × 3,191.14
  4. Step 4: Simplify right side
    3,565.36x = 15,666,710.36
  5. Step 5: Solve for x
    x = 15,666,710.36/3,565.36
  6. Step 6: Final answer
    x = 4,394.15

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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.