Home / 3,325.04-4,987.18-859.67

Finding the Fourth Proportional to 3,325.04, 4,987.18 and 859.67

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Solution

The fourth proportional to 3,325.04, 4,987.18 and 859.67 is: 1,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.04 : 4,987.18 = 859.67 : x
  2. Step 2: Convert to fraction form
    3,325.04/4,987.18 = 859.67/x
  3. Step 3: Cross multiply
    3,325.04x = 4,987.18 × 859.67
  4. Step 4: Simplify right side
    3,325.04x = 4,287,342.57
  5. Step 5: Solve for x
    x = 4,287,342.57/3,325.04
  6. Step 6: Final answer
    x = 1,289.41

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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.