Home / 3,909.23-5,860.28-1,442.33

Finding the Fourth Proportional to 3,909.23, 5,860.28 and 1,442.33

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Solution

The fourth proportional to 3,909.23, 5,860.28 and 1,442.33 is: 2,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.23 : 5,860.28 = 1,442.33 : x
  2. Step 2: Convert to fraction form
    3,909.23/5,860.28 = 1,442.33/x
  3. Step 3: Cross multiply
    3,909.23x = 5,860.28 × 1,442.33
  4. Step 4: Simplify right side
    3,909.23x = 8,452,421.14
  5. Step 5: Solve for x
    x = 8,452,421.14/3,909.23
  6. Step 6: Final answer
    x = 2,162.17

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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.