Home / 4,269.28-6,402.42-1,637.50

Finding the Fourth Proportional to 4,269.28, 6,402.42 and 1,637.50

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Solution

The fourth proportional to 4,269.28, 6,402.42 and 1,637.50 is: 2,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.28 : 6,402.42 = 1,637.50 : x
  2. Step 2: Convert to fraction form
    4,269.28/6,402.42 = 1,637.50/x
  3. Step 3: Cross multiply
    4,269.28x = 6,402.42 × 1,637.50
  4. Step 4: Simplify right side
    4,269.28x = 10,483,962.75
  5. Step 5: Solve for x
    x = 10,483,962.75/4,269.28
  6. Step 6: Final answer
    x = 2,455.67

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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.