Home / 3,652.30-5,478.76-1,572.36

Finding the Fourth Proportional to 3,652.30, 5,478.76 and 1,572.36

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Solution

The fourth proportional to 3,652.30, 5,478.76 and 1,572.36 is: 2,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.30 : 5,478.76 = 1,572.36 : x
  2. Step 2: Convert to fraction form
    3,652.30/5,478.76 = 1,572.36/x
  3. Step 3: Cross multiply
    3,652.30x = 5,478.76 × 1,572.36
  4. Step 4: Simplify right side
    3,652.30x = 8,614,583.07
  5. Step 5: Solve for x
    x = 8,614,583.07/3,652.30
  6. Step 6: Final answer
    x = 2,358.67

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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.