Home / 3,909.84-5,860.70-2,445.64

Finding the Fourth Proportional to 3,909.84, 5,860.70 and 2,445.64

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Solution

The fourth proportional to 3,909.84, 5,860.70 and 2,445.64 is: 3,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.84 : 5,860.70 = 2,445.64 : x
  2. Step 2: Convert to fraction form
    3,909.84/5,860.70 = 2,445.64/x
  3. Step 3: Cross multiply
    3,909.84x = 5,860.70 × 2,445.64
  4. Step 4: Simplify right side
    3,909.84x = 14,333,162.35
  5. Step 5: Solve for x
    x = 14,333,162.35/3,909.84
  6. Step 6: Final answer
    x = 3,665.92

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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.