Home / 3,572.08-5,350.31-1,485.76

Finding the Fourth Proportional to 3,572.08, 5,350.31 and 1,485.76

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Solution

The fourth proportional to 3,572.08, 5,350.31 and 1,485.76 is: 2,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.08 : 5,350.31 = 1,485.76 : x
  2. Step 2: Convert to fraction form
    3,572.08/5,350.31 = 1,485.76/x
  3. Step 3: Cross multiply
    3,572.08x = 5,350.31 × 1,485.76
  4. Step 4: Simplify right side
    3,572.08x = 7,949,271.38
  5. Step 5: Solve for x
    x = 7,949,271.38/3,572.08
  6. Step 6: Final answer
    x = 2,225.39

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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.