Home / 3,528.31-5,291.38-2,439.67

Finding the Fourth Proportional to 3,528.31, 5,291.38 and 2,439.67

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Solution

The fourth proportional to 3,528.31, 5,291.38 and 2,439.67 is: 3,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.31 : 5,291.38 = 2,439.67 : x
  2. Step 2: Convert to fraction form
    3,528.31/5,291.38 = 2,439.67/x
  3. Step 3: Cross multiply
    3,528.31x = 5,291.38 × 2,439.67
  4. Step 4: Simplify right side
    3,528.31x = 12,909,204.77
  5. Step 5: Solve for x
    x = 12,909,204.77/3,528.31
  6. Step 6: Final answer
    x = 3,658.75

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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.