Home / 3,119.30-4,675.04-1,559.73

Finding the Fourth Proportional to 3,119.30, 4,675.04 and 1,559.73

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Solution

The fourth proportional to 3,119.30, 4,675.04 and 1,559.73 is: 2,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.30 : 4,675.04 = 1,559.73 : x
  2. Step 2: Convert to fraction form
    3,119.30/4,675.04 = 1,559.73/x
  3. Step 3: Cross multiply
    3,119.30x = 4,675.04 × 1,559.73
  4. Step 4: Simplify right side
    3,119.30x = 7,291,792.34
  5. Step 5: Solve for x
    x = 7,291,792.34/3,119.30
  6. Step 6: Final answer
    x = 2,337.64

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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.